#641C2A#641C2A

#641C2A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.103 H 13.0°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#641C2A
RGB	rgb(100, 28, 42)
HSL	hsl(348, 56%, 25%)
HSV	hsv(348, 72%, 39%)
CMYK	cmyk(0%, 72%, 58%, 60.8%)
CIE-LAB	lab(22.68, 33.34, 9.21)
CIE-LCH	lch(22.68, 34.59, 15.44°)
OKLab	oklab(34.65% 0.1006 0.0231)
OKLCH	oklch(34.65% 0.103 13)
XYZ	xyz(6.0892, 3.7078, 2.5851)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C2A #1C6456

analogous

#641C4E #641C2A #64321C

triadic

#641C2A #2A641C #1C2A64

tetradic

#641C2A #4E641C #1C6456 #321C64

square

#641C2A #4E641C #1C6456 #321C64

split-complementary

#641C2A #1C6432 #1C4E64

monochromatic

#18070A #340F16 #641C2A #94293E #C43752

Accessibility & contrast

On white

12.06

#641C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C2A

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C2A	#FFFFFF	#000000	##FFFFFF
##641C2A	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2A

Deuteranopia (green-blind)

#403C28

Tritanopia (blue-blind)

#6E0E22

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c2a;
/* rgb */ color: rgb(100, 28, 42);
/* oklch */ color: oklch(34.7% 0.103 13.0);

Tailwind

colors: {
  custom: {
    50: '#955d63',
    500: '#641c2a',
    950: '#000000',
  },
}

SCSS

$custom: #641c2a;
$custom-light: #955d63;
$custom-dark: #000000;

JSON

{
  "hex": "#641c2a",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 42
  },
  "hsl": {
    "h": 348.333,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34651,
    "c": 0.10326,
    "h": 13
  },
  "luminance": 0.03707
}

Semantic roles & 50–950 ramp

primary

#641C2A

secondary

#439988

accent

#E0C248

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641C2A

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

Preview Lab → · Contrast checker → · Palette generator →