#4F100C#4F100C

#4F100C is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.5% C 0.094 H 28.3°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#4F100C
RGB	rgb(79, 16, 12)
HSL	hsl(4, 74%, 18%)
HSV	hsv(4, 85%, 31%)
CMYK	cmyk(0%, 79.7%, 84.8%, 69%)
CIE-LAB	lab(15.80, 28.91, 19.20)
CIE-LCH	lch(15.80, 34.70, 33.58°)
OKLab	oklab(28.52% 0.0829 0.0446)
OKLCH	oklch(28.52% 0.094 28.3)
XYZ	xyz(3.4765, 2.0599, 0.5623)
Luminance	0.0206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F100C #0C4B4F

analogous

#4F0C29 #4F100C #4F310C

triadic

#4F100C #0C4F10 #100C4F

tetradic

#4F100C #294F0C #0C4B4F #310C4F

square

#4F100C #294F0C #0C4B4F #310C4F

split-complementary

#4F100C #0C4F31 #0C294F

monochromatic

#1B0504 #1B0504 #4F100C #841B14 #B9261C

Accessibility & contrast

On white

14.87

#4F100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4F100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F100C

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F100C	#FFFFFF	#000000	##FFFFFF
##4F100C	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0B

Deuteranopia (green-blind)

#322C09

Tritanopia (blue-blind)

#580010

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4f100c;
/* rgb */ color: rgb(79, 16, 12);
/* oklch */ color: oklch(28.5% 0.094 28.3);

Tailwind

colors: {
  custom: {
    50: '#86544c',
    500: '#4f100c',
    950: '#000000',
  },
}

SCSS

$custom: #4f100c;
$custom-light: #86544c;
$custom-dark: #000000;

JSON

{
  "hex": "#4f100c",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 3.582,
    "s": 73.626,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28524,
    "c": 0.09414,
    "h": 28.3
  },
  "luminance": 0.02059
}

Semantic roles & 50–950 ramp

primary

#4F100C

secondary

#2C858B

accent

#E5F038

background

#F8F4F4

surface

#F0E8E7

border

#CBC4C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4F100C

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

Preview Lab → · Contrast checker → · Palette generator →