#641C27#641C27

#641C27 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.103 H 15.6°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#641C27
RGB	rgb(100, 28, 39)
HSL	hsl(351, 56%, 25%)
HSV	hsv(351, 72%, 39%)
CMYK	cmyk(0%, 72%, 61%, 60.8%)
CIE-LAB	lab(22.61, 33.08, 11.18)
CIE-LCH	lch(22.61, 34.92, 18.67°)
OKLab	oklab(34.57% 0.0993 0.0277)
OKLCH	oklch(34.57% 0.103 15.6)
XYZ	xyz(6.0376, 3.6871, 2.3128)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C27 #1C6459

analogous

#641C4B #641C27 #64351C

triadic

#641C27 #27641C #1C2764

tetradic

#641C27 #4B641C #1C6459 #351C64

square

#641C27 #4B641C #1C6459 #351C64

split-complementary

#641C27 #1C6435 #1C4B64

monochromatic

#180709 #340F14 #641C27 #94293A #C4374C

Accessibility & contrast

On white

12.09

#641C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C27

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C27	#FFFFFF	#000000	##FFFFFF
##641C27	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D27

Deuteranopia (green-blind)

#413C25

Tritanopia (blue-blind)

#6E0C20

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c27;
/* rgb */ color: rgb(100, 28, 39);
/* oklch */ color: oklch(34.6% 0.103 15.6);

Tailwind

colors: {
  custom: {
    50: '#955d60',
    500: '#641c27',
    950: '#000000',
  },
}

SCSS

$custom: #641c27;
$custom-light: #955d60;
$custom-dark: #000000;

JSON

{
  "hex": "#641c27",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 39
  },
  "hsl": {
    "h": 350.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34573,
    "c": 0.10308,
    "h": 15.6
  },
  "luminance": 0.03686
}

Semantic roles & 50–950 ramp

primary

#641C27

secondary

#43998C

accent

#E0C848

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641C27

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

Preview Lab → · Contrast checker → · Palette generator →