#5A180E#5A180E

#5A180E is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.099 H 31.4°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#5A180E
RGB	rgb(90, 24, 14)
HSL	hsl(8, 73%, 20%)
HSV	hsv(8, 84%, 35%)
CMYK	cmyk(0%, 73.3%, 84.4%, 64.7%)
CIE-LAB	lab(19.47, 29.62, 23.22)
CIE-LCH	lch(19.47, 37.63, 38.09°)
OKLab	oklab(31.71% 0.0842 0.0515)
OKLCH	oklch(31.71% 0.099 31.4)
XYZ	xyz(4.6229, 2.8593, 0.7239)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A180E #0E505A

analogous

#5A0E2A #5A180E #5A3E0E

triadic

#5A180E #0E5A18 #180E5A

tetradic

#5A180E #2A5A0E #0E505A #3E0E5A

square

#5A180E #2A5A0E #0E505A #3E0E5A

split-complementary

#5A180E #0E5A3E #0E2A5A

monochromatic

#1A0704 #250A06 #5A180E #8F2616 #C4341E

Accessibility & contrast

On white

13.36

#5A180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5A180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A180E

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A180E	#FFFFFF	#000000	##FFFFFF
##5A180E	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260C

Deuteranopia (green-blind)

#3B350B

Tritanopia (blue-blind)

#640416

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5a180e;
/* rgb */ color: rgb(90, 24, 14);
/* oklch */ color: oklch(31.7% 0.099 31.4);

Tailwind

colors: {
  custom: {
    50: '#8f594d',
    500: '#5a180e',
    950: '#000000',
  },
}

SCSS

$custom: #5a180e;
$custom-light: #8f594d;
$custom-dark: #000000;

JSON

{
  "hex": "#5a180e",
  "rgb": {
    "r": 90,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 7.895,
    "s": 73.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31711,
    "c": 0.09866,
    "h": 31.4
  },
  "luminance": 0.02859
}

Semantic roles & 50–950 ramp

primary

#5A180E

secondary

#308794

accent

#D8F038

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5A180E

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

Preview Lab → · Contrast checker → · Palette generator →