#58180C#58180C

#58180C is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.097 H 32.8°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#58180C
RGB	rgb(88, 24, 12)
HSL	hsl(9, 76%, 20%)
HSV	hsv(9, 86%, 35%)
CMYK	cmyk(0%, 72.7%, 86.4%, 65.5%)
CIE-LAB	lab(19.04, 28.76, 23.57)
CIE-LCH	lch(19.04, 37.18, 39.33°)
OKLab	oklab(31.3% 0.0813 0.0523)
OKLCH	oklch(31.3% 0.097 32.8)
XYZ	xyz(4.4180, 2.7552, 0.6469)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58180C #0C4C58

analogous

#580C26 #58180C #583E0C

triadic

#58180C #0C5818 #180C58

tetradic

#58180C #26580C #0C4C58 #3E0C58

square

#58180C #26580C #0C4C58 #3E0C58

split-complementary

#58180C #0C583E #0C2658

monochromatic

#1B0704 #220905 #58180C #8E2713 #C4351B

Accessibility & contrast

On white

13.54

#58180C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#58180C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #58180C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58180C	#FFFFFF	#000000	##FFFFFF
##58180C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B250A

Deuteranopia (green-blind)

#3A3309

Tritanopia (blue-blind)

#620516

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #58180c;
/* rgb */ color: rgb(88, 24, 12);
/* oklch */ color: oklch(31.3% 0.097 32.8);

Tailwind

colors: {
  custom: {
    50: '#8e594c',
    500: '#58180c',
    950: '#000000',
  },
}

SCSS

$custom: #58180c;
$custom-light: #8e594c;
$custom-dark: #000000;

JSON

{
  "hex": "#58180c",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 12
  },
  "hsl": {
    "h": 9.474,
    "s": 76,
    "l": 19.608
  },
  "oklch": {
    "l": 0.313,
    "c": 0.09669,
    "h": 32.8
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#58180C

secondary

#2D8393

accent

#D5F335

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #58180C

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

Preview Lab → · Contrast checker → · Palette generator →