#421107#421107

#421107 is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.078 H 33.6°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#421107
RGB	rgb(66, 17, 7)
HSL	hsl(10, 81%, 14%)
HSV	hsv(10, 89%, 26%)
CMYK	cmyk(0%, 74.2%, 89.4%, 74.1%)
CIE-LAB	lab(13.08, 23.09, 17.19)
CIE-LCH	lch(13.08, 28.79, 36.68°)
OKLab	oklab(25.95% 0.0652 0.0433)
OKLCH	oklch(25.95% 0.078 33.6)
XYZ	xyz(2.4858, 1.5749, 0.3741)
Luminance	0.0157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421107 #073842

analogous

#42071B #421107 #422F07

triadic

#421107 #074211 #110742

tetradic

#421107 #1B4207 #073842 #2F0742

square

#421107 #1B4207 #073842 #2F0742

split-complementary

#421107 #07422F #071B42

monochromatic

#1C0703 #1C0703 #421107 #791F0D #B12E13

Accessibility & contrast

On white

15.97

#421107 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421107 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421107

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421107	#FFFFFF	#000000	##FFFFFF
##421107	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B06

Deuteranopia (green-blind)

#2B2605

Tritanopia (blue-blind)

#4A040F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #421107;
/* rgb */ color: rgb(66, 17, 7);
/* oklch */ color: oklch(25.9% 0.078 33.6);

Tailwind

colors: {
  custom: {
    50: '#7b5249',
    500: '#421107',
    950: '#000000',
  },
}

SCSS

$custom: #421107;
$custom-light: #7b5249;
$custom-dark: #000000;

JSON

{
  "hex": "#421107",
  "rgb": {
    "r": 66,
    "g": 17,
    "b": 7
  },
  "hsl": {
    "h": 10.169,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25945,
    "c": 0.07824,
    "h": 33.6
  },
  "luminance": 0.01574
}

Semantic roles & 50–950 ramp

primary

#421107

secondary

#247181

accent

#D6F731

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #421107

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →