#5B201B#5B201B

#5B201B is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.2% C 0.088 H 27.7°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#5B201B
RGB	rgb(91, 32, 27)
HSL	hsl(5, 54%, 23%)
HSV	hsv(5, 70%, 36%)
CMYK	cmyk(0%, 64.8%, 70.3%, 64.3%)
CIE-LAB	lab(21.35, 26.74, 17.36)
CIE-LCH	lch(21.35, 31.88, 32.99°)
OKLab	oklab(33.22% 0.078 0.0409)
OKLCH	oklch(33.22% 0.088 27.7)
XYZ	xyz(5.0292, 3.3370, 1.4160)
Luminance	0.0334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B201B #1B565B

analogous

#5B1B36 #5B201B #5B401B

triadic

#5B201B #1B5B20 #201B5B

tetradic

#5B201B #365B1B #1B565B #401B5B

square

#5B201B #365B1B #1B565B #401B5B

split-complementary

#5B201B #1B5B40 #1B365B

monochromatic

#180807 #2C0F0D #5B201B #8A3129 #B94137

Accessibility & contrast

On white

12.60

#5B201B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#5B201B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B201B

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B201B	#FFFFFF	#000000	##FFFFFF
##5B201B	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1A

Deuteranopia (green-blind)

#3E3819

Tritanopia (blue-blind)

#64141F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #5b201b;
/* rgb */ color: rgb(91, 32, 27);
/* oklch */ color: oklch(33.2% 0.088 27.7);

Tailwind

colors: {
  custom: {
    50: '#8e5e57',
    500: '#5b201b',
    950: '#000000',
  },
}

SCSS

$custom: #5b201b;
$custom-light: #8e5e57;
$custom-dark: #000000;

JSON

{
  "hex": "#5b201b",
  "rgb": {
    "r": 91,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 4.688,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33217,
    "c": 0.08805,
    "h": 27.7
  },
  "luminance": 0.03336
}

Semantic roles & 50–950 ramp

primary

#5B201B

secondary

#418B91

accent

#D2DE4A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B201B

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

Preview Lab → · Contrast checker → · Palette generator →