#0B231F Color

#0B231F is rgb(11, 35, 31) in RGB, hsl(170, 52%, 9%) in HSL, and about cmyk(69%, 0%, 11%, 86%) in CMYK. It has no registered color name of its own — the closest is Dark Jungle Green (#1A2421), clearly related but distinguishable side by side at ΔE 5.8. White text is the more readable choice on this background.

#0B231F

HEX#0B231F

RGBrgb(11, 35, 31)

HSLhsl(170, 52%, 9%)

HSVhsv(170, 69%, 14%)

CMYKcmyk(69%, 0%, 11%, 86%)

OKLCHoklch(23.6% 0.031 181.1)

LABlab(11.71% -10.77 -0.31)

LCHlch(11.71% 10.78 181.66)

What #0B231F 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 #0B231F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Dark Jungle Green#1A2421ΔE 5.8 Medium Jungle Green#1C352DΔE 8.57 Charcoal Black#232B2BΔE 8.81 Eerie Black#1B1B1BΔE 10.95 Off Black#1A1A1AΔE 11.05 Traffic Black#2A2D2FΔE 11.84

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

#0B231F Channel Values

How #0B231F 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 11 · G 35 · B 31	8-bit channels as sent to the display
HSL	H 170° · S 52% · L 9%	Easiest model for building lighter and darker variants
HSV	H 170° · S 69% · V 14%	Matches the picker in most design tools
CMYK	C 69% · M 0% · Y 11% · K 86%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	16.48:1 vs white · 1.27:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #0B231F 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 text16.48:1AA normal AA large AAA normal

Fails AABlack text1.27:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #0B231F in the contrast checker.

Colors That Go With #0B231F

Pairings derived from color-wheel relationships. The complementary color sits opposite #0B231F; 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 #0B231F

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 #0B231F.

How #0B231F 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#0B231F

Protanopia#20201F

Protanomaly#1A211F

Deuteranopia#1D1D20

Deuteranomaly#17201F

Tritanopia#0C2323

Tritanomaly#0C2321

Achromatopsia#1F1F1F

Test a full palette in the color blindness simulator.

Using #0B231F in Code

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

CSS custom property--color-0b231f: #0B231F;

CSS backgroundbackground-color: #0B231F;

Tailwind configcolors: { 'color-0b231f': '#0B231F' }

SwiftUIColor(red: 0.043, green: 0.137, blue: 0.122)

Android XML<color name="color_0b231f">#0B231F</color>

SVG fillfill="#0B231F"

More Teal Colors

#0B231F sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#0B231F Frequently Asked Questions

What color is #0B231F?

#0B231F is a darkest teal — rgb(11, 35, 31) in RGB and hsl(170, 52%, 9%) in HSL. It carries no registered color name of its own; the closest named color is Dark Jungle Green (#1A2421), which is clearly related but distinguishable side by side at a CIE76 distance of 5.8.

What is the RGB value of #0B231F?

#0B231F is rgb(11, 35, 31) — red 11, green 35, and blue 31 on the 0-255 scale.

What is the CMYK value of #0B231F?

#0B231F converts to approximately cmyk(69%, 0%, 11%, 86%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #0B231F be black or white?

White text is the more readable choice. #0B231F scores 16.48:1 against white and 1.27:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #0B231F as a CSS color keyword?

No. #0B231F 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 black (#000000) at a CIE76 distance of 15.91, which is visibly different.

Open #0B231F in a Tool

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