#421507#421507

#421507 is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.074 H 37.6°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#421507
RGB	rgb(66, 21, 7)
HSL	hsl(14, 81%, 14%)
HSV	hsv(14, 89%, 26%)
CMYK	cmyk(0%, 68.2%, 89.4%, 74.1%)
CIE-LAB	lab(13.89, 20.93, 18.27)
CIE-LCH	lch(13.89, 27.78, 41.12°)
OKLab	oklab(26.56% 0.0585 0.045)
OKLCH	oklch(26.56% 0.074 37.6)
XYZ	xyz(2.5536, 1.7103, 0.3966)
Luminance	0.0171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421507 #073442

analogous

#420717 #421507 #423307

triadic

#421507 #074215 #150742

tetradic

#421507 #174207 #073442 #330742

square

#421507 #174207 #073442 #330742

split-complementary

#421507 #074233 #071742

monochromatic

#1C0903 #1C0903 #421507 #79270D #B13813

Accessibility & contrast

On white

15.65

#421507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#421507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421507

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421507	#FFFFFF	#000000	##FFFFFF
##421507	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D05

Deuteranopia (green-blind)

#2D2706

Tritanopia (blue-blind)

#490A12

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #421507;
/* rgb */ color: rgb(66, 21, 7);
/* oklch */ color: oklch(26.6% 0.074 37.6);

Tailwind

colors: {
  custom: {
    50: '#7b5449',
    500: '#421507',
    950: '#000000',
  },
}

SCSS

$custom: #421507;
$custom-light: #7b5449;
$custom-dark: #000000;

JSON

{
  "hex": "#421507",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 7
  },
  "hsl": {
    "h": 14.237,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.26556,
    "c": 0.07384,
    "h": 37.6
  },
  "luminance": 0.0171
}

Semantic roles & 50–950 ramp

primary

#421507

secondary

#246B81

accent

#C8F731

background

#F7F4F4

surface

#EEE8E7

border

#C9C4C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #421507

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

Preview Lab → · Contrast checker → · Palette generator →