#64151C#64151C

#64151C is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.111 H 21.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#64151C
RGB	rgb(100, 21, 28)
HSL	hsl(355, 65%, 24%)
HSV	hsv(355, 79%, 39%)
CMYK	cmyk(0%, 79%, 72%, 60.8%)
CIE-LAB	lab(21.32, 35.23, 17.06)
CIE-LCH	lch(21.32, 39.14, 25.84°)
OKLab	oklab(33.54% 0.1038 0.04)
OKLCH	oklch(33.54% 0.111 21.1)
XYZ	xyz(5.7339, 3.3304, 1.4393)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64151C #15645D

analogous

#641543 #64151C #643515

triadic

#64151C #1C6415 #151C64

tetradic

#64151C #436415 #15645D #351564

square

#64151C #436415 #15645D #351564

split-complementary

#64151C #156435 #154364

monochromatic

#190507 #310A0E #64151C #97202A #C92A38

Accessibility & contrast

On white

12.61

#64151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64151C

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64151C	#FFFFFF	#000000	##FFFFFF
##64151C	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C281C

Deuteranopia (green-blind)

#40391A

Tritanopia (blue-blind)

#6E0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64151c;
/* rgb */ color: rgb(100, 21, 28);
/* oklch */ color: oklch(33.5% 0.111 21.1);

Tailwind

colors: {
  custom: {
    50: '#965a58',
    500: '#64151c',
    950: '#000000',
  },
}

SCSS

$custom: #64151c;
$custom-light: #965a58;
$custom-dark: #000000;

JSON

{
  "hex": "#64151c",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 354.684,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33542,
    "c": 0.11125,
    "h": 21.1
  },
  "luminance": 0.03329
}

Semantic roles & 50–950 ramp

primary

#64151C

secondary

#3A9B92

accent

#E8D940

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64151C

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

Preview Lab → · Contrast checker → · Palette generator →