#64271F#64271F

#64271F is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.0% C 0.090 H 29.7°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#64271F
RGB	rgb(100, 39, 31)
HSL	hsl(7, 53%, 26%)
HSV	hsv(7, 69%, 39%)
CMYK	cmyk(0%, 61%, 69%, 60.8%)
CIE-LAB	lab(24.51, 26.96, 18.99)
CIE-LCH	lch(24.51, 32.98, 35.16°)
OKLab	oklab(35.95% 0.0784 0.0447)
OKLCH	oklch(35.95% 0.09 29.7)
XYZ	xyz(6.2290, 4.2601, 1.7903)
Luminance	0.0426 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64271F #1F5C64

analogous

#641F39 #64271F #64491F

triadic

#64271F #1F6427 #271F64

tetradic

#64271F #39641F #1F5C64 #491F64

square

#64271F #39641F #1F5C64 #491F64

split-complementary

#64271F #1F6449 #1F3964

monochromatic

#170907 #351511 #64271F #93392D #C14B3C

Accessibility & contrast

On white

11.34

#64271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#64271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64271F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64271F	#FFFFFF	#000000	##FFFFFF
##64271F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321E

Deuteranopia (green-blind)

#463F1E

Tritanopia (blue-blind)

#6E1B25

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #64271f;
/* rgb */ color: rgb(100, 39, 31);
/* oklch */ color: oklch(36.0% 0.090 29.7);

Tailwind

colors: {
  custom: {
    50: '#95635a',
    500: '#64271f',
    950: '#000000',
  },
}

SCSS

$custom: #64271f;
$custom-light: #95635a;
$custom-dark: #000000;

JSON

{
  "hex": "#64271f",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 6.957,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35952,
    "c": 0.09026,
    "h": 29.7
  },
  "luminance": 0.04259
}

Semantic roles & 50–950 ramp

primary

#64271F

secondary

#468F98

accent

#CBDC4C

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0504

muted

#7E7A79

Preview Lab

Preview with #64271F

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

Preview Lab → · Contrast checker → · Palette generator →