#4B131E#4B131E

#4B131E is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.5% C 0.084 H 12.8°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#4B131E
RGB	rgb(75, 19, 30)
HSL	hsl(348, 60%, 18%)
HSV	hsv(348, 75%, 29%)
CMYK	cmyk(0%, 74.7%, 60%, 70.6%)
CIE-LAB	lab(15.78, 27.28, 7.41)
CIE-LCH	lch(15.78, 28.27, 15.20°)
OKLab	oklab(28.46% 0.0824 0.0187)
OKLCH	oklch(28.46% 0.084 12.8)
XYZ	xyz(3.3692, 2.0558, 1.4474)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B131E #134B40

analogous

#4B133A #4B131E #4B2413

triadic

#4B131E #1E4B13 #131E4B

tetradic

#4B131E #3A4B13 #134B40 #24134B

square

#4B131E #3A4B13 #134B40 #24134B

split-complementary

#4B131E #134B24 #133A4B

monochromatic

#18060A #1A070A #4B131E #7C1F32 #AD2C45

Accessibility & contrast

On white

14.88

#4B131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B131E

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B131E	#FFFFFF	#000000	##FFFFFF
##4B131E	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201E

Deuteranopia (green-blind)

#2F2C1D

Tritanopia (blue-blind)

#530817

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b131e;
/* rgb */ color: rgb(75, 19, 30);
/* oklch */ color: oklch(28.5% 0.084 12.8);

Tailwind

colors: {
  custom: {
    50: '#815559',
    500: '#4b131e',
    950: '#000000',
  },
}

SCSS

$custom: #4b131e;
$custom-light: #815559;
$custom-dark: #000000;

JSON

{
  "hex": "#4b131e",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 348.214,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28462,
    "c": 0.08445,
    "h": 12.8
  },
  "luminance": 0.02055
}

Semantic roles & 50–950 ramp

primary

#4B131E

secondary

#368474

accent

#E3C445

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B131E

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

Preview Lab → · Contrast checker → · Palette generator →