#642018#642018

#642018 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.100 H 29.7°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#642018
RGB	rgb(100, 32, 24)
HSL	hsl(6, 61%, 24%)
HSV	hsv(6, 76%, 39%)
CMYK	cmyk(0%, 68%, 76%, 60.8%)
CIE-LAB	lab(23.03, 30.16, 21.74)
CIE-LCH	lch(23.03, 37.18, 35.78°)
OKLab	oklab(34.8% 0.0869 0.0495)
OKLCH	oklch(34.8% 0.1 29.7)
XYZ	xyz(5.9375, 3.8091, 1.2866)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642018 #185C64

analogous

#641836 #642018 #644618

triadic

#642018 #186420 #201864

tetradic

#642018 #366418 #185C64 #461864

square

#642018 #366418 #185C64 #461864

split-complementary

#642018 #186446 #183664

monochromatic

#190806 #33100C #642018 #953024 #C74030

Accessibility & contrast

On white

11.92

#642018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#642018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642018

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642018	#FFFFFF	#000000	##FFFFFF
##642018	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E17

Deuteranopia (green-blind)

#443C16

Tritanopia (blue-blind)

#6E0F1F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #642018;
/* rgb */ color: rgb(100, 32, 24);
/* oklch */ color: oklch(34.8% 0.100 29.7);

Tailwind

colors: {
  custom: {
    50: '#965f55',
    500: '#642018',
    950: '#000000',
  },
}

SCSS

$custom: #642018;
$custom-light: #965f55;
$custom-dark: #000000;

JSON

{
  "hex": "#642018",
  "rgb": {
    "r": 100,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 6.316,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34799,
    "c": 0.1,
    "h": 29.7
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#642018

secondary

#3E909A

accent

#D3E443

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #642018

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

Preview Lab → · Contrast checker → · Palette generator →