#641C28#641C28

#641C28 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.103 H 14.7°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#641C28
RGB	rgb(100, 28, 40)
HSL	hsl(350, 56%, 25%)
HSV	hsv(350, 72%, 39%)
CMYK	cmyk(0%, 72%, 60%, 60.8%)
CIE-LAB	lab(22.63, 33.17, 10.52)
CIE-LCH	lch(22.63, 34.79, 17.60°)
OKLab	oklab(34.6% 0.0998 0.0262)
OKLCH	oklch(34.6% 0.103 14.7)
XYZ	xyz(6.0543, 3.6939, 2.4012)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C28 #1C6458

analogous

#641C4C #641C28 #64341C

triadic

#641C28 #28641C #1C2864

tetradic

#641C28 #4C641C #1C6458 #341C64

square

#641C28 #4C641C #1C6458 #341C64

split-complementary

#641C28 #1C6434 #1C4C64

monochromatic

#18070A #340F15 #641C28 #94293B #C4374E

Accessibility & contrast

On white

12.08

#641C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C28

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C28	#FFFFFF	#000000	##FFFFFF
##641C28	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D28

Deuteranopia (green-blind)

#403C26

Tritanopia (blue-blind)

#6E0D21

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c28;
/* rgb */ color: rgb(100, 28, 40);
/* oklch */ color: oklch(34.6% 0.103 14.7);

Tailwind

colors: {
  custom: {
    50: '#955d61',
    500: '#641c28',
    950: '#000000',
  },
}

SCSS

$custom: #641c28;
$custom-light: #955d61;
$custom-dark: #000000;

JSON

{
  "hex": "#641c28",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 350,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34599,
    "c": 0.10312,
    "h": 14.7
  },
  "luminance": 0.03693
}

Semantic roles & 50–950 ramp

primary

#641C28

secondary

#43998B

accent

#E0C648

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641C28

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

Preview Lab → · Contrast checker → · Palette generator →