#00381C Color

#00381C is rgb(0, 56, 28) in RGB, hsl(150, 100%, 11%) in HSL, and about cmyk(100%, 0%, 50%, 78%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), very hard to tell apart at ΔE 4.63. White text is the more readable choice on this background.

#00381C

HEX#00381C

RGBrgb(0, 56, 28)

HSLhsl(150, 100%, 11%)

HSVhsv(150, 100%, 22%)

CMYKcmyk(100%, 0%, 50%, 78%)

OKLCHoklch(29.9% 0.074 154.8)

LABlab(19.66% -23.85 12.49)

LCHlch(19.66% 26.93 152.37)

What #00381C Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #00381C, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

British Racing Green#004225ΔE 4.63 Forest Green (Traditional)#014421ΔE 6.61 Sacramento State Green#043927ΔE 6.7 Phthalo Green#123524ΔE 8.94 MSU Green#18453BΔE 14.07 Zydeco#20483FΔE 15.72

Browse the full index of named colors A-Z or every green in the library.

#00381C Channel Values

How #00381C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 0 · G 56 · B 28	8-bit channels as sent to the display
HSL	H 150° · S 100% · L 11%	Easiest model for building lighter and darker variants
HSV	H 150° · S 100% · V 22%	Matches the picker in most design tools
CMYK	C 100% · M 0% · Y 50% · K 78%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	13.27:1 vs white · 1.58:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #00381C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text13.27:1AA normal AA large AAA normal

Fails AABlack text1.58:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #00381C in the contrast checker.

Colors That Go With #00381C

Pairings derived from color-wheel relationships. The complementary color sits opposite #00381C; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #00381C

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #00381C.

How #00381C Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#00381C

Protanopia#33331C

Protanomaly#26351C

Deuteranopia#2D2D1E

Deuteranomaly#22321D

Tritanopia#0C3535

Tritanomaly#07362D

Achromatopsia#303030

Test a full palette in the color blindness simulator.

Using #00381C in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-00381c: #00381C;

CSS backgroundbackground-color: #00381C;

Tailwind configcolors: { 'color-00381c': '#00381C' }

SwiftUIColor(red: 0.000, green: 0.220, blue: 0.110)

Android XML<color name="color_00381c">#00381C</color>

SVG fillfill="#00381C"

More Green Colors

#00381C sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

004200 003800 004225 00331f 004700 003300 004730 002e00 004d00 002c22 004f3b 002400 00994d 00ff40 138808 259825 349d63 4b6f44 64e986 7cca92 98ff98 a8d44e c2ff66 d8f999

#00381C Frequently Asked Questions

What color is #00381C?

#00381C is a darkest green — rgb(0, 56, 28) in RGB and hsl(150, 100%, 11%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is very hard to tell apart at a CIE76 distance of 4.63.

What is the RGB value of #00381C?

#00381C is rgb(0, 56, 28) — red 0, green 56, and blue 28 on the 0-255 scale.

What is the CMYK value of #00381C?

#00381C converts to approximately cmyk(100%, 0%, 50%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #00381C be black or white?

White text is the more readable choice. #00381C scores 13.27:1 against white and 1.58:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #00381C as a CSS color keyword?

No. #00381C is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslategray (#2F4F4F) at a CIE76 distance of 23.15, which is visibly different.

Open #00381C in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.