#4C121B#4C121B

#4C121B is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.4% C 0.087 H 15.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#4C121B
RGB	rgb(76, 18, 27)
HSL	hsl(351, 62%, 18%)
HSV	hsv(351, 76%, 30%)
CMYK	cmyk(0%, 76.3%, 64.5%, 70.2%)
CIE-LAB	lab(15.74, 27.85, 9.57)
CIE-LCH	lch(15.74, 29.45, 18.96°)
OKLab	oklab(28.45% 0.0835 0.0236)
OKLCH	oklch(28.45% 0.087 15.8)
XYZ	xyz(3.3950, 2.0487, 1.2534)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C121B #124C43

analogous

#4C1238 #4C121B #4C2612

triadic

#4C121B #1B4C12 #121B4C

tetradic

#4C121B #384C12 #124C43 #26124C

square

#4C121B #384C12 #124C43 #26124C

split-complementary

#4C121B #124C26 #12384C

monochromatic

#190609 #1B0609 #4C121B #7D1E2D #AF293E

Accessibility & contrast

On white

14.90

#4C121B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4C121B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C121B

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C121B	#FFFFFF	#000000	##FFFFFF
##4C121B	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201B

Deuteranopia (green-blind)

#302C1A

Tritanopia (blue-blind)

#540516

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4c121b;
/* rgb */ color: rgb(76, 18, 27);
/* oklch */ color: oklch(28.4% 0.087 15.8);

Tailwind

colors: {
  custom: {
    50: '#835457',
    500: '#4c121b',
    950: '#000000',
  },
}

SCSS

$custom: #4c121b;
$custom-light: #835457;
$custom-dark: #000000;

JSON

{
  "hex": "#4c121b",
  "rgb": {
    "r": 76,
    "g": 18,
    "b": 27
  },
  "hsl": {
    "h": 350.69,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28449,
    "c": 0.08679,
    "h": 15.8
  },
  "luminance": 0.02048
}

Semantic roles & 50–950 ramp

primary

#4C121B

secondary

#358579

accent

#E5CC43

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C121B

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

Preview Lab → · Contrast checker → · Palette generator →