#641D27#641D27

#641D27 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.102 H 16.1°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#641D27
RGB	rgb(100, 29, 39)
HSL	hsl(352, 55%, 25%)
HSV	hsv(352, 71%, 39%)
CMYK	cmyk(0%, 71%, 61%, 60.8%)
CIE-LAB	lab(22.78, 32.63, 11.40)
CIE-LCH	lch(22.78, 34.56, 19.26°)
OKLab	oklab(34.7% 0.0979 0.0282)
OKLCH	oklch(34.7% 0.102 16.1)
XYZ	xyz(6.0617, 3.7354, 2.3209)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D27 #1D645A

analogous

#641D4B #641D27 #64361D

triadic

#641D27 #27641D #1D2764

tetradic

#641D27 #4B641D #1D645A #361D64

square

#641D27 #4B641D #1D645A #361D64

split-complementary

#641D27 #1D6436 #1D4B64

monochromatic

#180709 #350F14 #641D27 #932B3A #C3394C

Accessibility & contrast

On white

12.02

#641D27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641D27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D27

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D27	#FFFFFF	#000000	##FFFFFF
##641D27	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D27

Deuteranopia (green-blind)

#413C25

Tritanopia (blue-blind)

#6E0E21

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d27;
/* rgb */ color: rgb(100, 29, 39);
/* oklch */ color: oklch(34.7% 0.102 16.1);

Tailwind

colors: {
  custom: {
    50: '#955e60',
    500: '#641d27',
    950: '#000000',
  },
}

SCSS

$custom: #641d27;
$custom-light: #955e60;
$custom-dark: #000000;

JSON

{
  "hex": "#641d27",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 39
  },
  "hsl": {
    "h": 351.549,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34698,
    "c": 0.10183,
    "h": 16.1
  },
  "luminance": 0.03735
}

Semantic roles & 50–950 ramp

primary

#641D27

secondary

#44998D

accent

#DEC949

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641D27

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

Preview Lab → · Contrast checker → · Palette generator →