#641829#641829

#641829 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.2% C 0.108 H 12.1°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#641829
RGB	rgb(100, 24, 41)
HSL	hsl(347, 61%, 24%)
HSV	hsv(347, 76%, 39%)
CMYK	cmyk(0%, 76%, 59%, 60.8%)
CIE-LAB	lab(22.03, 34.98, 9.01)
CIE-LCH	lch(22.03, 36.12, 14.44°)
OKLab	oklab(34.16% 0.1057 0.0226)
OKLCH	oklch(34.16% 0.108 12.1)
XYZ	xyz(5.9830, 3.5235, 2.4625)
Luminance	0.0352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641829 #186453

analogous

#64184F #641829 #642D18

triadic

#641829 #296418 #182964

tetradic

#641829 #4F6418 #186453 #2D1864

square

#641829 #4F6418 #186453 #2D1864

split-complementary

#641829 #18642D #184F64

monochromatic

#19060A #330C15 #641829 #95243D #C73051

Accessibility & contrast

On white

12.32

#641829 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641829 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641829

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641829	#FFFFFF	#000000	##FFFFFF
##641829	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2B29

Deuteranopia (green-blind)

#3F3A27

Tritanopia (blue-blind)

#6E061F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641829;
/* rgb */ color: rgb(100, 24, 41);
/* oklch */ color: oklch(34.2% 0.108 12.1);

Tailwind

colors: {
  custom: {
    50: '#955b62',
    500: '#641829',
    950: '#000000',
  },
}

SCSS

$custom: #641829;
$custom-light: #955b62;
$custom-dark: #000000;

JSON

{
  "hex": "#641829",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 41
  },
  "hsl": {
    "h": 346.579,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34158,
    "c": 0.1081,
    "h": 12.1
  },
  "luminance": 0.03523
}

Semantic roles & 50–950 ramp

primary

#641829

secondary

#3E9A85

accent

#E4C043

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641829

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

Preview Lab → · Contrast checker → · Palette generator →