#5A1810#5A1810

#5A1810 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.098 H 30.2°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#5A1810
RGB	rgb(90, 24, 16)
HSL	hsl(6, 70%, 21%)
HSV	hsv(6, 82%, 35%)
CMYK	cmyk(0%, 73.3%, 82.2%, 64.7%)
CIE-LAB	lab(19.49, 29.70, 22.18)
CIE-LCH	lch(19.49, 37.08, 36.75°)
OKLab	oklab(31.74% 0.0849 0.0495)
OKLCH	oklch(31.74% 0.098 30.2)
XYZ	xyz(4.6371, 2.8650, 0.7989)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A1810 #10525A

analogous

#5A102D #5A1810 #5A3D10

triadic

#5A1810 #105A18 #18105A

tetradic

#5A1810 #2D5A10 #10525A #3D105A

square

#5A1810 #2D5A10 #10525A #3D105A

split-complementary

#5A1810 #105A3D #102D5A

monochromatic

#1A0705 #260A07 #5A1810 #8E2619 #C23422

Accessibility & contrast

On white

13.35

#5A1810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5A1810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A1810

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A1810	#FFFFFF	#000000	##FFFFFF
##5A1810	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260F

Deuteranopia (green-blind)

#3B350D

Tritanopia (blue-blind)

#640417

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5a1810;
/* rgb */ color: rgb(90, 24, 16);
/* oklch */ color: oklch(31.7% 0.098 30.2);

Tailwind

colors: {
  custom: {
    50: '#8f594e',
    500: '#5a1810',
    950: '#000000',
  },
}

SCSS

$custom: #5a1810;
$custom-light: #8f594e;
$custom-dark: #000000;

JSON

{
  "hex": "#5a1810",
  "rgb": {
    "r": 90,
    "g": 24,
    "b": 16
  },
  "hsl": {
    "h": 6.486,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31736,
    "c": 0.09825,
    "h": 30.2
  },
  "luminance": 0.02864
}

Semantic roles & 50–950 ramp

primary

#5A1810

secondary

#338993

accent

#D9ED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5A1810

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

Preview Lab → · Contrast checker → · Palette generator →