Skip to content

#670604 Color

#670604 is rgb(103, 6, 4) in RGB, hsl(1, 93%, 21%) in HSL, and about cmyk(0%, 94%, 96%, 60%) in CMYK. It has no registered color name of its own — the closest is Blood Red (#660000), below the threshold most people can see at ΔE 1.5. White text is the more readable choice on this background.

#670604
HEX#670604
RGBrgb(103, 6, 4)
HSLhsl(1, 93%, 21%)
HSVhsv(1, 96%, 40%)
CMYKcmyk(0%, 94%, 96%, 60%)
OKLCHoklch(32.7% 0.128 29)
LABlab(20.66% 40.15 30.08)
LCHlch(20.66% 50.17 36.84)

What #670604 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 #670604, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#670604 Channel Values

How #670604 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 103 · G 6 · B 48-bit channels as sent to the display
HSLH 1° · S 93% · L 21%Easiest model for building lighter and darker variants
HSVH 1° · S 96% · V 40%Matches the picker in most design tools
CMYKC 0% · M 94% · Y 96% · K 60%Approximate ink mix; confirm with an ICC profile before printing
Luminance13.09:1 vs white · 1.6:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #670604 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 text13.09:1AA normal AA large AAA normal
Fails AABlack text1.6:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #670604 in the contrast checker.

Colors That Go With #670604

Pairings derived from color-wheel relationships. The complementary color sits opposite #670604; 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 #670604

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 #670604.

How #670604 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#670604
Protanopia#2B2B02
Protanomaly#4A2103
Deuteranopia#3D3D00
Deuteranomaly#512F00
Tritanopia#670606
Tritanomaly#670605
Achromatopsia#313131

Test a full palette in the color blindness simulator.

Using #670604 in Code

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

CSS custom property--color-670604: #670604;
CSS backgroundbackground-color: #670604;
Tailwind configcolors: { 'color-670604': '#670604' }
SwiftUIColor(red: 0.404, green: 0.024, blue: 0.016)
Android XML<color name="color_670604">#670604</color>
SVG fillfill="#670604"

More Red Colors

#670604 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#670604 Frequently Asked Questions

What color is #670604?

#670604 is a dark red — rgb(103, 6, 4) in RGB and hsl(1, 93%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Blood Red (#660000), which is below the threshold most people can see at a CIE76 distance of 1.5.

What is the RGB value of #670604?

#670604 is rgb(103, 6, 4) — red 103, green 6, and blue 4 on the 0-255 scale.

What is the CMYK value of #670604?

#670604 converts to approximately cmyk(0%, 94%, 96%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #670604 be black or white?

White text is the more readable choice. #670604 scores 13.09:1 against white and 1.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #670604 as a CSS color keyword?

No. #670604 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 maroon (#800000) at a CIE76 distance of 13.68, which is visibly different.

Open #670604 in a Tool

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