#64281F#64281F

#64281F is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.1% C 0.089 H 30.6°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#64281F
RGB	rgb(100, 40, 31)
HSL	hsl(8, 53%, 26%)
HSV	hsv(8, 69%, 39%)
CMYK	cmyk(0%, 60%, 69%, 60.8%)
CIE-LAB	lab(24.72, 26.41, 19.25)
CIE-LCH	lch(24.72, 32.68, 36.08°)
OKLab	oklab(36.11% 0.0767 0.0453)
OKLCH	oklch(36.11% 0.089 30.6)
XYZ	xyz(6.2622, 4.3266, 1.8014)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64281F #1F5B64

analogous

#641F38 #64281F #644A1F

triadic

#64281F #1F6428 #281F64

tetradic

#64281F #38641F #1F5B64 #4A1F64

square

#64281F #38641F #1F5B64 #4A1F64

split-complementary

#64281F #1F644A #1F3864

monochromatic

#170907 #351511 #64281F #933B2D #C14D3C

Accessibility & contrast

On white

11.26

#64281F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#64281F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64281F

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64281F	#FFFFFF	#000000	##FFFFFF
##64281F	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331E

Deuteranopia (green-blind)

#46401E

Tritanopia (blue-blind)

#6E1C26

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #64281f;
/* rgb */ color: rgb(100, 40, 31);
/* oklch */ color: oklch(36.1% 0.089 30.6);

Tailwind

colors: {
  custom: {
    50: '#95645a',
    500: '#64281f',
    950: '#000000',
  },
}

SCSS

$custom: #64281f;
$custom-light: #95645a;
$custom-dark: #000000;

JSON

{
  "hex": "#64281f",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 7.826,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36111,
    "c": 0.08907,
    "h": 30.6
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#64281F

secondary

#468E98

accent

#C9DC4C

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0504

muted

#7E7A79

Preview Lab

Preview with #64281F

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

Preview Lab → · Contrast checker → · Palette generator →