#731618#731618

#731618 is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.5% C 0.127 H 25.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#731618
RGB	rgb(115, 22, 24)
HSL	hsl(359, 68%, 27%)
HSV	hsv(359, 81%, 45%)
CMYK	cmyk(0%, 80.9%, 79.1%, 54.9%)
CIE-LAB	lab(24.59, 39.70, 24.34)
CIE-LCH	lch(24.59, 46.57, 31.51°)
OKLab	oklab(36.53% 0.1149 0.0542)
OKLCH	oklch(36.53% 0.127 25.3)
XYZ	xyz(7.5229, 4.2858, 1.2951)
Luminance	0.0428 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731618 #167371

analogous

#731647 #731618 #734316

triadic

#731618 #187316 #161873

tetradic

#731618 #477316 #167371 #431673

square

#731618 #477316 #167371 #431673

split-complementary

#731618 #167343 #164773

monochromatic

#1A0505 #400C0D #731618 #A62023 #D72D30

Accessibility & contrast

On white

11.31

#731618 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#731618 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731618

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731618	#FFFFFF	#000000	##FFFFFF
##731618	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E17

Deuteranopia (green-blind)

#4A4214

Tritanopia (blue-blind)

#7F0018

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #731618;
/* rgb */ color: rgb(115, 22, 24);
/* oklch */ color: oklch(36.5% 0.127 25.3);

Tailwind

colors: {
  custom: {
    50: '#a35d55',
    500: '#731618',
    950: '#000000',
  },
}

SCSS

$custom: #731618;
$custom-light: #a35d55;
$custom-dark: #000000;

JSON

{
  "hex": "#731618",
  "rgb": {
    "r": 115,
    "g": 22,
    "b": 24
  },
  "hsl": {
    "h": 358.71,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36531,
    "c": 0.12705,
    "h": 25.3
  },
  "luminance": 0.04285
}

Semantic roles & 50–950 ramp

primary

#731618

secondary

#3CA9A6

accent

#EBE73D

background

#FAF5F4

surface

#F4E9E8

border

#CEC5C4

text

#100503

muted

#7F7978

Preview Lab

Preview with #731618

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

Preview Lab → · Contrast checker → · Palette generator →