#641D15#641D15

#641D15 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.104 H 29.8°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#641D15
RGB	rgb(100, 29, 21)
HSL	hsl(6, 65%, 24%)
HSV	hsv(6, 79%, 39%)
CMYK	cmyk(0%, 71%, 79%, 60.8%)
CIE-LAB	lab(22.45, 31.45, 22.99)
CIE-LCH	lch(22.45, 38.96, 36.17°)
OKLab	oklab(34.35% 0.0902 0.0516)
OKLCH	oklch(34.35% 0.104 29.8)
XYZ	xyz(5.8309, 3.6430, 1.1055)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D15 #155C64

analogous

#641534 #641D15 #644415

triadic

#641D15 #15641D #1D1564

tetradic

#641D15 #346415 #155C64 #441564

square

#641D15 #346415 #155C64 #441564

split-complementary

#641D15 #156444 #153464

monochromatic

#190705 #310E0A #641D15 #972C20 #C93A2A

Accessibility & contrast

On white

12.15

#641D15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641D15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D15

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D15	#FFFFFF	#000000	##FFFFFF
##641D15	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C14

Deuteranopia (green-blind)

#433B13

Tritanopia (blue-blind)

#6F081C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d15;
/* rgb */ color: rgb(100, 29, 21);
/* oklch */ color: oklch(34.4% 0.104 29.8);

Tailwind

colors: {
  custom: {
    50: '#975d52',
    500: '#641d15',
    950: '#000000',
  },
}

SCSS

$custom: #641d15;
$custom-light: #975d52;
$custom-dark: #000000;

JSON

{
  "hex": "#641d15",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 21
  },
  "hsl": {
    "h": 6.076,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34354,
    "c": 0.1039,
    "h": 29.8
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#641D15

secondary

#3A919B

accent

#D7E840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641D15

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

Preview Lab → · Contrast checker → · Palette generator →