#4B121B#4B121B

#4B121B is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.3% C 0.086 H 15.5°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#4B121B
RGB	rgb(75, 18, 27)
HSL	hsl(351, 61%, 18%)
HSV	hsv(351, 76%, 29%)
CMYK	cmyk(0%, 76%, 64%, 70.6%)
CIE-LAB	lab(15.53, 27.48, 9.25)
CIE-LCH	lch(15.53, 28.99, 18.60°)
OKLab	oklab(28.25% 0.0825 0.0229)
OKLCH	oklch(28.25% 0.086 15.5)
XYZ	xyz(3.3161, 2.0081, 1.2497)
Luminance	0.0201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B121B #124B42

analogous

#4B1237 #4B121B #4B2512

triadic

#4B121B #1B4B12 #121B4B

tetradic

#4B121B #374B12 #124B42 #25124B

square

#4B121B #374B12 #124B42 #25124B

split-complementary

#4B121B #124B25 #12374B

monochromatic

#190609 #1A0609 #4B121B #7C1E2D #AE2A3F

Accessibility & contrast

On white

14.98

#4B121B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4B121B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B121B

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B121B	#FFFFFF	#000000	##FFFFFF
##4B121B	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211F1B

Deuteranopia (green-blind)

#2F2B1A

Tritanopia (blue-blind)

#530616

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b121b;
/* rgb */ color: rgb(75, 18, 27);
/* oklch */ color: oklch(28.3% 0.086 15.5);

Tailwind

colors: {
  custom: {
    50: '#825457',
    500: '#4b121b',
    950: '#000000',
  },
}

SCSS

$custom: #4b121b;
$custom-light: #825457;
$custom-dark: #000000;

JSON

{
  "hex": "#4b121b",
  "rgb": {
    "r": 75,
    "g": 18,
    "b": 27
  },
  "hsl": {
    "h": 350.526,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28253,
    "c": 0.08558,
    "h": 15.5
  },
  "luminance": 0.02008
}

Semantic roles & 50–950 ramp

primary

#4B121B

secondary

#358478

accent

#E4CB43

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B121B

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

Preview Lab → · Contrast checker → · Palette generator →