#431B10#431B10

#431B10 is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.9% C 0.065 H 36.3°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#431B10
RGB	rgb(67, 27, 16)
HSL	hsl(13, 61%, 16%)
HSV	hsv(13, 76%, 26%)
CMYK	cmyk(0%, 59.7%, 76.1%, 73.7%)
CIE-LAB	lab(15.57, 18.37, 16.37)
CIE-LCH	lch(15.57, 24.61, 41.70°)
OKLab	oklab(27.91% 0.0526 0.0386)
OKLCH	oklch(27.91% 0.065 36.3)
XYZ	xyz(2.8005, 2.0149, 0.7316)
Luminance	0.0202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B10 #103843

analogous

#43101F #431B10 #433510

triadic

#431B10 #10431B #1B1043

tetradic

#431B10 #1F4310 #103843 #351043

square

#431B10 #1F4310 #103843 #351043

split-complementary

#431B10 #104335 #101F43

monochromatic

#190A06 #190A06 #431B10 #742F1C #A64328

Accessibility & contrast

On white

14.97

#431B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#431B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B10

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B10	#FFFFFF	#000000	##FFFFFF
##431B10	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26210F

Deuteranopia (green-blind)

#2F2A0F

Tritanopia (blue-blind)

#4A1318

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #431b10;
/* rgb */ color: rgb(67, 27, 16);
/* oklch */ color: oklch(27.9% 0.065 36.3);

Tailwind

colors: {
  custom: {
    50: '#7b584e',
    500: '#431b10',
    950: '#000000',
  },
}

SCSS

$custom: #431b10;
$custom-light: #7b584e;
$custom-dark: #000000;

JSON

{
  "hex": "#431b10",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 16
  },
  "hsl": {
    "h": 12.941,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.27905,
    "c": 0.06524,
    "h": 36.3
  },
  "luminance": 0.02015
}

Semantic roles & 50–950 ramp

primary

#431B10

secondary

#326D7D

accent

#C2E543

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #431B10

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

Preview Lab → · Contrast checker → · Palette generator →