#4B120B#4B120B

#4B120B is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.9% C 0.087 H 30.3°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#4B120B
RGB	rgb(75, 18, 11)
HSL	hsl(7, 74%, 17%)
HSV	hsv(7, 85%, 29%)
CMYK	cmyk(0%, 76%, 85.3%, 70.6%)
CIE-LAB	lab(15.24, 26.44, 18.75)
CIE-LCH	lch(15.24, 32.41, 35.34°)
OKLab	oklab(27.94% 0.0755 0.0442)
OKLCH	oklch(27.94% 0.087 30.3)
XYZ	xyz(3.1787, 1.9531, 0.5262)
Luminance	0.0195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B120B #0B444B

analogous

#4B0B24 #4B120B #4B320B

triadic

#4B120B #0B4B12 #120B4B

tetradic

#4B120B #244B0B #0B444B #320B4B

square

#4B120B #244B0B #0B444B #320B4B

split-complementary

#4B120B #0B4B32 #0B244B

monochromatic

#1B0604 #1B0604 #4B120B #801F13 #B62C1B

Accessibility & contrast

On white

15.10

#4B120B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#4B120B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B120B

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B120B	#FFFFFF	#000000	##FFFFFF
##4B120B	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0A

Deuteranopia (green-blind)

#312B09

Tritanopia (blue-blind)

#530211

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b120b;
/* rgb */ color: rgb(75, 18, 11);
/* oklch */ color: oklch(27.9% 0.087 30.3);

Tailwind

colors: {
  custom: {
    50: '#83544b',
    500: '#4b120b',
    950: '#000000',
  },
}

SCSS

$custom: #4b120b;
$custom-light: #83544b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b120b",
  "rgb": {
    "r": 75,
    "g": 18,
    "b": 11
  },
  "hsl": {
    "h": 6.563,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27942,
    "c": 0.08744,
    "h": 30.3
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#4B120B

secondary

#2B7D87

accent

#DDF137

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4B120B

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

Preview Lab → · Contrast checker → · Palette generator →