#641E1A#641E1A

#641E1A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.102 H 27.0°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#641E1A
RGB	rgb(100, 30, 26)
HSL	hsl(3, 59%, 25%)
HSV	hsv(3, 74%, 39%)
CMYK	cmyk(0%, 70%, 74%, 60.8%)
CIE-LAB	lab(22.70, 31.24, 20.06)
CIE-LCH	lch(22.70, 37.13, 32.71°)
OKLab	oklab(34.56% 0.0907 0.0463)
OKLCH	oklch(34.56% 0.102 27)
XYZ	xyz(5.9069, 3.7133, 1.3828)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E1A #1A6064

analogous

#641A3B #641E1A #64431A

triadic

#641E1A #1A641E #1E1A64

tetradic

#641E1A #3B641A #1A6064 #431A64

square

#641E1A #3B641A #1A6064 #431A64

split-complementary

#641E1A #1A6443 #1A3B64

monochromatic

#180706 #330F0D #641E1A #952D27 #C53B33

Accessibility & contrast

On white

12.05

#641E1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641E1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E1A

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E1A	#FFFFFF	#000000	##FFFFFF
##641E1A	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)

#312D19

Deuteranopia (green-blind)

#433C18

Tritanopia (blue-blind)

#6E0C1E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641e1a;
/* rgb */ color: rgb(100, 30, 26);
/* oklch */ color: oklch(34.6% 0.102 27.0);

Tailwind

colors: {
  custom: {
    50: '#965e56',
    500: '#641e1a',
    950: '#000000',
  },
}

SCSS

$custom: #641e1a;
$custom-light: #965e56;
$custom-dark: #000000;

JSON

{
  "hex": "#641e1a",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 26
  },
  "hsl": {
    "h": 3.243,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34561,
    "c": 0.10184,
    "h": 27
  },
  "luminance": 0.03712
}

Semantic roles & 50–950 ramp

primary

#641E1A

secondary

#40959A

accent

#D9E246

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #641E1A

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

Preview Lab → · Contrast checker → · Palette generator →