#58180F#58180F

#58180F is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.3% C 0.096 H 31.0°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#58180F
RGB	rgb(88, 24, 15)
HSL	hsl(7, 71%, 20%)
HSV	hsv(7, 83%, 35%)
CMYK	cmyk(0%, 72.7%, 83%, 65.5%)
CIE-LAB	lab(19.07, 28.89, 22.13)
CIE-LCH	lch(19.07, 36.39, 37.45°)
OKLab	oklab(31.34% 0.0824 0.0494)
OKLCH	oklch(31.34% 0.096 31)
XYZ	xyz(4.4379, 2.7631, 0.7515)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58180F #0F4F58

analogous

#580F2B #58180F #583C0F

triadic

#58180F #0F5818 #180F58

tetradic

#58180F #2B580F #0F4F58 #3C0F58

square

#58180F #2B580F #0F4F58 #3C0F58

split-complementary

#58180F #0F583C #0F2B58

monochromatic

#1A0704 #240A06 #58180F #8C2618 #C13521

Accessibility & contrast

On white

13.53

#58180F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#58180F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #58180F

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58180F	#FFFFFF	#000000	##FFFFFF
##58180F	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250E

Deuteranopia (green-blind)

#3A330D

Tritanopia (blue-blind)

#620516

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #58180f;
/* rgb */ color: rgb(88, 24, 15);
/* oklch */ color: oklch(31.3% 0.096 31.0);

Tailwind

colors: {
  custom: {
    50: '#8d594e',
    500: '#58180f',
    950: '#000000',
  },
}

SCSS

$custom: #58180f;
$custom-light: #8d594e;
$custom-dark: #000000;

JSON

{
  "hex": "#58180f",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 15
  },
  "hsl": {
    "h": 7.397,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31336,
    "c": 0.09605,
    "h": 31
  },
  "luminance": 0.02762
}

Semantic roles & 50–950 ramp

primary

#58180F

secondary

#318692

accent

#D8EE3A

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #58180F

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

Preview Lab → · Contrast checker → · Palette generator →