#641F23#641F23

#641F23 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.099 H 20.6°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#641F23
RGB	rgb(100, 31, 35)
HSL	hsl(357, 53%, 26%)
HSV	hsv(357, 69%, 39%)
CMYK	cmyk(0%, 69%, 65%, 60.8%)
CIE-LAB	lab(23.04, 31.36, 14.48)
CIE-LCH	lch(23.04, 34.54, 24.78°)
OKLab	oklab(34.87% 0.0931 0.035)
OKLCH	oklch(34.87% 0.099 20.6)
XYZ	xyz(6.0495, 3.8115, 2.0069)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F23 #1F6460

analogous

#641F45 #641F23 #643D1F

triadic

#641F23 #23641F #1F2364

tetradic

#641F23 #45641F #1F6460 #3D1F64

square

#641F23 #45641F #1F6460 #3D1F64

split-complementary

#641F23 #1F643D #1F4564

monochromatic

#170708 #351113 #641F23 #932D33 #C13C44

Accessibility & contrast

On white

11.92

#641F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F23

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F23	#FFFFFF	#000000	##FFFFFF
##641F23	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)

#312E23

Deuteranopia (green-blind)

#423C21

Tritanopia (blue-blind)

#6E1021

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641f23;
/* rgb */ color: rgb(100, 31, 35);
/* oklch */ color: oklch(34.9% 0.099 20.6);

Tailwind

colors: {
  custom: {
    50: '#955f5d',
    500: '#641f23',
    950: '#000000',
  },
}

SCSS

$custom: #641f23;
$custom-light: #955f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641f23",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 356.522,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34866,
    "c": 0.09944,
    "h": 20.6
  },
  "luminance": 0.03811
}

Semantic roles & 50–950 ramp

primary

#641F23

secondary

#469894

accent

#DCD44C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #641F23

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

Preview Lab → · Contrast checker → · Palette generator →