#4C1018#4C1018

#4C1018 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.1% C 0.089 H 17.7°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#4C1018
RGB	rgb(76, 16, 24)
HSL	hsl(352, 65%, 18%)
HSV	hsv(352, 79%, 30%)
CMYK	cmyk(0%, 78.9%, 68.4%, 70.2%)
CIE-LAB	lab(15.35, 28.51, 11.22)
CIE-LCH	lch(15.35, 30.63, 21.48°)
OKLab	oklab(28.13% 0.085 0.0272)
OKLCH	oklch(28.13% 0.089 17.7)
XYZ	xyz(3.3310, 1.9735, 1.0695)
Luminance	0.0197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C1018 #104C44

analogous

#4C1036 #4C1018 #4C2610

triadic

#4C1018 #184C10 #10184C

tetradic

#4C1018 #364C10 #104C44 #26104C

square

#4C1018 #364C10 #104C44 #26104C

split-complementary

#4C1018 #104C26 #10364C

monochromatic

#190508 #190508 #4C1018 #7F1B28 #B12538

Accessibility & contrast

On white

15.06

#4C1018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#4C1018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C1018

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C1018	#FFFFFF	#000000	##FFFFFF
##4C1018	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201E18

Deuteranopia (green-blind)

#2F2B16

Tritanopia (blue-blind)

#540213

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4c1018;
/* rgb */ color: rgb(76, 16, 24);
/* oklch */ color: oklch(28.1% 0.089 17.7);

Tailwind

colors: {
  custom: {
    50: '#835354',
    500: '#4c1018',
    950: '#000000',
  },
}

SCSS

$custom: #4c1018;
$custom-light: #835354;
$custom-dark: #000000;

JSON

{
  "hex": "#4c1018",
  "rgb": {
    "r": 76,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 352,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28134,
    "c": 0.08922,
    "h": 17.7
  },
  "luminance": 0.01973
}

Semantic roles & 50–950 ramp

primary

#4C1018

secondary

#32867B

accent

#E8D240

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4C1018

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

Preview Lab → · Contrast checker → · Palette generator →