#641D2E#641D2E

#641D2E is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.102 H 9.8°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#641D2E
RGB	rgb(100, 29, 46)
HSL	hsl(346, 55%, 25%)
HSV	hsv(346, 71%, 39%)
CMYK	cmyk(0%, 71%, 54%, 60.8%)
CIE-LAB	lab(22.95, 33.26, 6.82)
CIE-LCH	lch(22.95, 33.95, 11.60°)
OKLab	oklab(34.89% 0.1009 0.0175)
OKLCH	oklch(34.89% 0.102 9.8)
XYZ	xyz(6.1886, 3.7861, 2.9891)
Luminance	0.0379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D2E #1D6453

analogous

#641D51 #641D2E #642F1D

triadic

#641D2E #2E641D #1D2E64

tetradic

#641D2E #51641D #1D6453 #2F1D64

square

#641D2E #51641D #1D6453 #2F1D64

split-complementary

#641D2E #1D642F #1D5164

monochromatic

#18070B #350F18 #641D2E #932B44 #C3395A

Accessibility & contrast

On white

11.95

#641D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#641D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D2E

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D2E	#FFFFFF	#000000	##FFFFFF
##641D2E	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2E2E

Deuteranopia (green-blind)

#403C2C

Tritanopia (blue-blind)

#6D1124

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641d2e;
/* rgb */ color: rgb(100, 29, 46);
/* oklch */ color: oklch(34.9% 0.102 9.8);

Tailwind

colors: {
  custom: {
    50: '#945e66',
    500: '#641d2e',
    950: '#000000',
  },
}

SCSS

$custom: #641d2e;
$custom-light: #945e66;
$custom-dark: #000000;

JSON

{
  "hex": "#641d2e",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 345.634,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34886,
    "c": 0.10242,
    "h": 9.8
  },
  "luminance": 0.03785
}

Semantic roles & 50–950 ramp

primary

#641D2E

secondary

#449985

accent

#DEBB49

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #641D2E

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

Preview Lab → · Contrast checker → · Palette generator →