#641F29#641F29

#641F29 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.099 H 15.4°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#641F29
RGB	rgb(100, 31, 41)
HSL	hsl(351, 53%, 26%)
HSV	hsv(351, 69%, 39%)
CMYK	cmyk(0%, 69%, 59%, 60.8%)
CIE-LAB	lab(23.17, 31.86, 10.56)
CIE-LCH	lch(23.17, 33.56, 18.34°)
OKLab	oklab(35.01% 0.0957 0.0263)
OKLCH	oklch(35.01% 0.099 15.4)
XYZ	xyz(6.1463, 3.8502, 2.5169)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F29 #1F645A

analogous

#641F4B #641F29 #64371F

triadic

#641F29 #29641F #1F2964

tetradic

#641F29 #4B641F #1F645A #371F64

square

#641F29 #4B641F #1F645A #371F64

split-complementary

#641F29 #1F6437 #1F4B64

monochromatic

#17070A #351116 #641F29 #932D3C #C13C4F

Accessibility & contrast

On white

11.87

#641F29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#641F29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F29

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F29	#FFFFFF	#000000	##FFFFFF
##641F29	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E29

Deuteranopia (green-blind)

#413D27

Tritanopia (blue-blind)

#6E1223

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641f29;
/* rgb */ color: rgb(100, 31, 41);
/* oklch */ color: oklch(35.0% 0.099 15.4);

Tailwind

colors: {
  custom: {
    50: '#955f62',
    500: '#641f29',
    950: '#000000',
  },
}

SCSS

$custom: #641f29;
$custom-light: #955f62;
$custom-dark: #000000;

JSON

{
  "hex": "#641f29",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 41
  },
  "hsl": {
    "h": 351.304,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35007,
    "c": 0.09929,
    "h": 15.4
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#641F29

secondary

#46988D

accent

#DCC74C

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641F29

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

Preview Lab → · Contrast checker → · Palette generator →