#641A0F#641A0F

#641A0F is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.9% C 0.108 H 31.4°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#641A0F
RGB	rgb(100, 26, 15)
HSL	hsl(8, 74%, 23%)
HSV	hsv(8, 85%, 39%)
CMYK	cmyk(0%, 74%, 85%, 60.8%)
CIE-LAB	lab(21.88, 32.55, 25.95)
CIE-LCH	lch(21.88, 41.63, 38.57°)
OKLab	oklab(33.9% 0.0923 0.0564)
OKLCH	oklch(33.9% 0.108 31.4)
XYZ	xyz(5.7118, 3.4835, 0.8235)
Luminance	0.0348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A0F #0F5964

analogous

#640F2E #641A0F #64450F

triadic

#641A0F #0F641A #1A0F64

tetradic

#641A0F #2E640F #0F5964 #450F64

square

#641A0F #2E640F #0F5964 #450F64

split-complementary

#641A0F #0F6445 #0F2E64

monochromatic

#1B0704 #2F0C07 #641A0F #992817 #CE361F

Accessibility & contrast

On white

12.38

#641A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A0F

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A0F	#FFFFFF	#000000	##FFFFFF
##641A0F	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A0D

Deuteranopia (green-blind)

#423A0C

Tritanopia (blue-blind)

#6F0118

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641a0f;
/* rgb */ color: rgb(100, 26, 15);
/* oklch */ color: oklch(33.9% 0.108 31.4);

Tailwind

colors: {
  custom: {
    50: '#975c4e',
    500: '#641a0f',
    950: '#000000',
  },
}

SCSS

$custom: #641a0f;
$custom-light: #975c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#641a0f",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 15
  },
  "hsl": {
    "h": 7.765,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33904,
    "c": 0.10817,
    "h": 31.4
  },
  "luminance": 0.03483
}

Semantic roles & 50–950 ramp

primary

#641A0F

secondary

#328F9D

accent

#D9F137

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #641A0F

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

Preview Lab → · Contrast checker → · Palette generator →