#4C1019#4C1019

#4C1019 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.2% C 0.089 H 16.7°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#4C1019
RGB	rgb(76, 16, 25)
HSL	hsl(351, 65%, 18%)
HSV	hsv(351, 79%, 30%)
CMYK	cmyk(0%, 78.9%, 67.1%, 70.2%)
CIE-LAB	lab(15.37, 28.58, 10.52)
CIE-LCH	lch(15.37, 30.46, 20.21°)
OKLab	oklab(28.16% 0.0855 0.0256)
OKLCH	oklch(28.16% 0.089 16.7)
XYZ	xyz(3.3416, 1.9777, 1.1253)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C1019 #104C43

analogous

#4C1037 #4C1019 #4C2510

triadic

#4C1019 #194C10 #10194C

tetradic

#4C1019 #374C10 #104C43 #25104C

square

#4C1019 #374C10 #104C43 #25104C

split-complementary

#4C1019 #104C25 #10374C

monochromatic

#190508 #190508 #4C1019 #7F1B2A #B1253A

Accessibility & contrast

On white

15.05

#4C1019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4C1019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C1019

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C1019	#FFFFFF	#000000	##FFFFFF
##4C1019	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201E19

Deuteranopia (green-blind)

#2F2B17

Tritanopia (blue-blind)

#540214

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4c1019;
/* rgb */ color: rgb(76, 16, 25);
/* oklch */ color: oklch(28.2% 0.089 16.7);

Tailwind

colors: {
  custom: {
    50: '#835355',
    500: '#4c1019',
    950: '#000000',
  },
}

SCSS

$custom: #4c1019;
$custom-light: #835355;
$custom-dark: #000000;

JSON

{
  "hex": "#4c1019",
  "rgb": {
    "r": 76,
    "g": 16,
    "b": 25
  },
  "hsl": {
    "h": 351,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28158,
    "c": 0.08921,
    "h": 16.7
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#4C1019

secondary

#328679

accent

#E8CF40

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C1019

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

Preview Lab → · Contrast checker → · Palette generator →