#4B201F#4B201F

#4B201F is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.5% C 0.066 H 23.1°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B201F
RGB	rgb(75, 32, 31)
HSL	hsl(1, 42%, 21%)
HSV	hsv(1, 59%, 29%)
CMYK	cmyk(0%, 57.3%, 58.7%, 70.6%)
CIE-LAB	lab(18.49, 20.27, 10.37)
CIE-LCH	lch(18.49, 22.77, 27.09°)
OKLab	oklab(30.51% 0.0604 0.0257)
OKLCH	oklch(30.51% 0.066 23.1)
XYZ	xyz(3.6658, 2.6282, 1.6103)
Luminance	0.0263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B201F #1F4A4B

analogous

#4B1F34 #4B201F #4B361F

triadic

#4B201F #1F4B20 #201F4B

tetradic

#4B201F #344B1F #1F4A4B #361F4B

square

#4B201F #344B1F #1F4A4B #361F4B

split-complementary

#4B201F #1F4B36 #1F344B

monochromatic

#160909 #200E0D #4B201F #763231 #A24543

Accessibility & contrast

On white

13.77

#4B201F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#4B201F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B201F

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B201F	#FFFFFF	#000000	##FFFFFF
##4B201F	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281F

Deuteranopia (green-blind)

#35301E

Tritanopia (blue-blind)

#521920

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #4b201f;
/* rgb */ color: rgb(75, 32, 31);
/* oklch */ color: oklch(30.5% 0.066 23.1);

Tailwind

colors: {
  custom: {
    50: '#805d5a',
    500: '#4b201f',
    950: '#000000',
  },
}

SCSS

$custom: #4b201f;
$custom-light: #805d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b201f",
  "rgb": {
    "r": 75,
    "g": 32,
    "b": 31
  },
  "hsl": {
    "h": 1.364,
    "s": 41.509,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30508,
    "c": 0.06568,
    "h": 23.1
  },
  "luminance": 0.02628
}

Semantic roles & 50–950 ramp

primary

#4B201F

secondary

#467E80

accent

#CFD156

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0403

muted

#7C7978

Preview Lab

Preview with #4B201F

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

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