#431018#431018

#431018 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.3% C 0.078 H 15.3°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#431018
RGB	rgb(67, 16, 24)
HSL	hsl(351, 61%, 16%)
HSV	hsv(351, 76%, 26%)
CMYK	cmyk(0%, 76.1%, 64.2%, 73.7%)
CIE-LAB	lab(13.41, 25.12, 8.30)
CIE-LCH	lch(13.41, 26.46, 18.28°)
OKLab	oklab(26.34% 0.0755 0.0206)
OKLCH	oklch(26.34% 0.078 15.3)
XYZ	xyz(2.6651, 1.6302, 1.0383)
Luminance	0.0163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431018 #10433B

analogous

#431032 #431018 #432210

triadic

#431018 #184310 #101843

tetradic

#431018 #324310 #10433B #221043

square

#431018 #324310 #10433B #221043

split-complementary

#431018 #104322 #103243

monochromatic

#190609 #190609 #431018 #741C2A #A6283B

Accessibility & contrast

On white

15.84

#431018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#431018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431018

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431018	#FFFFFF	#000000	##FFFFFF
##431018	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1C18

Deuteranopia (green-blind)

#2A2617

Tritanopia (blue-blind)

#4A0613

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #431018;
/* rgb */ color: rgb(67, 16, 24);
/* oklch */ color: oklch(26.3% 0.078 15.3);

Tailwind

colors: {
  custom: {
    50: '#7b5254',
    500: '#431018',
    950: '#000000',
  },
}

SCSS

$custom: #431018;
$custom-light: #7b5254;
$custom-dark: #000000;

JSON

{
  "hex": "#431018",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 350.588,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26336,
    "c": 0.07823,
    "h": 15.3
  },
  "luminance": 0.0163
}

Semantic roles & 50–950 ramp

primary

#431018

secondary

#327D71

accent

#E5CB43

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #431018

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

Preview Lab → · Contrast checker → · Palette generator →