#641E1F#641E1F

#641E1F is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.101 H 23.3°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#641E1F
RGB	rgb(100, 30, 31)
HSL	hsl(359, 54%, 25%)
HSV	hsv(359, 70%, 39%)
CMYK	cmyk(0%, 70%, 69%, 60.8%)
CIE-LAB	lab(22.78, 31.55, 16.85)
CIE-LCH	lch(22.78, 35.77, 28.10°)
OKLab	oklab(34.65% 0.0928 0.04)
OKLCH	oklch(34.65% 0.101 23.3)
XYZ	xyz(5.9677, 3.7376, 1.7032)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E1F #1E6463

analogous

#641E42 #641E1F #64401E

triadic

#641E1F #1F641E #1E1F64

tetradic

#641E1F #42641E #1E6463 #401E64

square

#641E1F #42641E #1E6463 #401E64

split-complementary

#641E1F #1E6440 #1E4264

monochromatic

#180707 #351010 #641E1F #932C2E #C23A3C

Accessibility & contrast

On white

12.02

#641E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E1F

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E1F	#FFFFFF	#000000	##FFFFFF
##641E1F	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)

#312D1E

Deuteranopia (green-blind)

#423C1D

Tritanopia (blue-blind)

#6E0D1F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641e1f;
/* rgb */ color: rgb(100, 30, 31);
/* oklch */ color: oklch(34.7% 0.101 23.3);

Tailwind

colors: {
  custom: {
    50: '#965e5a',
    500: '#641e1f',
    950: '#000000',
  },
}

SCSS

$custom: #641e1f;
$custom-light: #965e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#641e1f",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.143,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34651,
    "c": 0.10105,
    "h": 23.3
  },
  "luminance": 0.03737
}

Semantic roles & 50–950 ramp

primary

#641E1F

secondary

#459998

accent

#DDDB4B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #641E1F

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

Preview Lab → · Contrast checker → · Palette generator →