#431B0F#431B0F

#431B0F is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.9% C 0.066 H 37.4°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#431B0F
RGB	rgb(67, 27, 15)
HSL	hsl(14, 63%, 16%)
HSV	hsv(14, 78%, 26%)
CMYK	cmyk(0%, 59.7%, 77.6%, 73.7%)
CIE-LAB	lab(15.55, 18.31, 16.90)
CIE-LCH	lch(15.55, 24.91, 42.71°)
OKLab	oklab(27.89% 0.0521 0.0398)
OKLCH	oklch(27.89% 0.066 37.4)
XYZ	xyz(2.7932, 2.0120, 0.6931)
Luminance	0.0201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B0F #0F3743

analogous

#430F1D #431B0F #43350F

triadic

#431B0F #0F431B #1B0F43

tetradic

#431B0F #1D430F #0F3743 #350F43

square

#431B0F #1D430F #0F3743 #350F43

split-complementary

#431B0F #0F4335 #0F1D43

monochromatic

#190A06 #190A06 #431B0F #752F1A #A74325

Accessibility & contrast

On white

14.97

#431B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#431B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B0F

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B0F	#FFFFFF	#000000	##FFFFFF
##431B0F	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)

#26210E

Deuteranopia (green-blind)

#2F2A0E

Tritanopia (blue-blind)

#4A1318

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #431b0f;
/* rgb */ color: rgb(67, 27, 15);
/* oklch */ color: oklch(27.9% 0.066 37.4);

Tailwind

colors: {
  custom: {
    50: '#7b584e',
    500: '#431b0f',
    950: '#000000',
  },
}

SCSS

$custom: #431b0f;
$custom-light: #7b584e;
$custom-dark: #000000;

JSON

{
  "hex": "#431b0f",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 13.846,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.27889,
    "c": 0.06562,
    "h": 37.4
  },
  "luminance": 0.02012
}

Semantic roles & 50–950 ramp

primary

#431B0F

secondary

#306C7D

accent

#C0E641

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #431B0F

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

Preview Lab → · Contrast checker → · Palette generator →