#641D24#641D24

#641D24 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.102 H 18.6°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#641D24
RGB	rgb(100, 29, 36)
HSL	hsl(354, 55%, 25%)
HSV	hsv(354, 71%, 39%)
CMYK	cmyk(0%, 71%, 64%, 60.8%)
CIE-LAB	lab(22.71, 32.38, 13.37)
CIE-LCH	lch(22.71, 35.04, 22.43°)
OKLab	oklab(34.63% 0.0965 0.0326)
OKLCH	oklch(34.63% 0.102 18.6)
XYZ	xyz(6.0139, 3.7163, 2.0694)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D24 #1D645D

analogous

#641D47 #641D24 #643A1D

triadic

#641D24 #24641D #1D2464

tetradic

#641D24 #47641D #1D645D #3A1D64

square

#641D24 #47641D #1D645D #3A1D64

split-complementary

#641D24 #1D643A #1D4764

monochromatic

#180709 #350F13 #641D24 #932B35 #C33946

Accessibility & contrast

On white

12.05

#641D24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641D24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D24

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D24	#FFFFFF	#000000	##FFFFFF
##641D24	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D24

Deuteranopia (green-blind)

#413C22

Tritanopia (blue-blind)

#6E0D20

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d24;
/* rgb */ color: rgb(100, 29, 36);
/* oklch */ color: oklch(34.6% 0.102 18.6);

Tailwind

colors: {
  custom: {
    50: '#955e5e',
    500: '#641d24',
    950: '#000000',
  },
}

SCSS

$custom: #641d24;
$custom-light: #955e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#641d24",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 36
  },
  "hsl": {
    "h": 354.085,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34628,
    "c": 0.10185,
    "h": 18.6
  },
  "luminance": 0.03715
}

Semantic roles & 50–950 ramp

primary

#641D24

secondary

#449991

accent

#DED049

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #641D24

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

Preview Lab → · Contrast checker → · Palette generator →