#4B130B#4B130B

#4B130B is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.086 H 31.1°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#4B130B
RGB	rgb(75, 19, 11)
HSL	hsl(8, 74%, 17%)
HSV	hsv(8, 85%, 29%)
CMYK	cmyk(0%, 74.7%, 85.3%, 70.6%)
CIE-LAB	lab(15.41, 25.96, 18.97)
CIE-LCH	lch(15.41, 32.16, 36.16°)
OKLab	oklab(28.07% 0.074 0.0446)
OKLCH	oklch(28.07% 0.086 31.1)
XYZ	xyz(3.1953, 1.9862, 0.5317)
Luminance	0.0199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B130B #0B434B

analogous

#4B0B23 #4B130B #4B330B

triadic

#4B130B #0B4B13 #130B4B

tetradic

#4B130B #234B0B #0B434B #330B4B

square

#4B130B #234B0B #0B434B #330B4B

split-complementary

#4B130B #0B4B33 #0B234B

monochromatic

#1B0704 #1B0704 #4B130B #802113 #B62E1B

Accessibility & contrast

On white

15.03

#4B130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4B130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B130B

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B130B	#FFFFFF	#000000	##FFFFFF
##4B130B	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0A

Deuteranopia (green-blind)

#312B09

Tritanopia (blue-blind)

#530312

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b130b;
/* rgb */ color: rgb(75, 19, 11);
/* oklch */ color: oklch(28.1% 0.086 31.1);

Tailwind

colors: {
  custom: {
    50: '#83544b',
    500: '#4b130b',
    950: '#000000',
  },
}

SCSS

$custom: #4b130b;
$custom-light: #83544b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b130b",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 7.5,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28074,
    "c": 0.08636,
    "h": 31.1
  },
  "luminance": 0.01986
}

Semantic roles & 50–950 ramp

primary

#4B130B

secondary

#2B7C87

accent

#DAF137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4B130B

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

Preview Lab → · Contrast checker → · Palette generator →