#5B231A#5B231A

#5B231A is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.7% C 0.085 H 31.2°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#5B231A
RGB	rgb(91, 35, 26)
HSL	hsl(8, 56%, 23%)
HSV	hsv(8, 71%, 36%)
CMYK	cmyk(0%, 61.5%, 71.4%, 64.3%)
CIE-LAB	lab(21.95, 25.04, 18.75)
CIE-LCH	lch(21.95, 31.29, 36.83°)
OKLab	oklab(33.67% 0.0725 0.0438)
OKLCH	oklch(33.67% 0.085 31.2)
XYZ	xyz(5.1024, 3.5014, 1.3842)
Luminance	0.0350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B231A #1A525B

analogous

#5B1A31 #5B231A #5B431A

triadic

#5B231A #1A5B23 #231A5B

tetradic

#5B231A #315B1A #1A525B #431A5B

square

#5B231A #315B1A #1A525B #431A5B

split-complementary

#5B231A #1A5B43 #1A315B

monochromatic

#180907 #2B110C #5B231A #8B3528 #BA4835

Accessibility & contrast

On white

12.35

#5B231A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#5B231A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B231A

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B231A	#FFFFFF	#000000	##FFFFFF
##5B231A	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D19

Deuteranopia (green-blind)

#403919

Tritanopia (blue-blind)

#641821

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #5b231a;
/* rgb */ color: rgb(91, 35, 26);
/* oklch */ color: oklch(33.7% 0.085 31.2);

Tailwind

colors: {
  custom: {
    50: '#8e6056',
    500: '#5b231a',
    950: '#000000',
  },
}

SCSS

$custom: #5b231a;
$custom-light: #8e6056;
$custom-dark: #000000;

JSON

{
  "hex": "#5b231a",
  "rgb": {
    "r": 91,
    "g": 35,
    "b": 26
  },
  "hsl": {
    "h": 8.308,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33668,
    "c": 0.08468,
    "h": 31.2
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#5B231A

secondary

#408691

accent

#CADF49

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0503

muted

#7E7978

Preview Lab

Preview with #5B231A

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

Preview Lab → · Contrast checker → · Palette generator →