#64281D#64281D

#64281D is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.1% C 0.090 H 32.2°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#64281D
RGB	rgb(100, 40, 29)
HSL	hsl(9, 55%, 25%)
HSV	hsv(9, 71%, 39%)
CMYK	cmyk(0%, 60%, 71%, 60.8%)
CIE-LAB	lab(24.69, 26.28, 20.50)
CIE-LCH	lch(24.69, 33.33, 37.95°)
OKLab	oklab(36.08% 0.0758 0.0478)
OKLCH	oklch(36.08% 0.09 32.2)
XYZ	xyz(6.2367, 4.3164, 1.6669)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64281D #1D5964

analogous

#641D35 #64281D #644B1D

triadic

#64281D #1D6428 #281D64

tetradic

#64281D #35641D #1D5964 #4B1D64

square

#64281D #35641D #1D5964 #4B1D64

split-complementary

#64281D #1D644B #1D3564

monochromatic

#180907 #35150F #64281D #933B2B #C34E39

Accessibility & contrast

On white

11.27

#64281D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#64281D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64281D

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64281D	#FFFFFF	#000000	##FFFFFF
##64281D	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321C

Deuteranopia (green-blind)

#47401C

Tritanopia (blue-blind)

#6E1C26

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #64281d;
/* rgb */ color: rgb(100, 40, 29);
/* oklch */ color: oklch(36.1% 0.090 32.2);

Tailwind

colors: {
  custom: {
    50: '#956459',
    500: '#64281d',
    950: '#000000',
  },
}

SCSS

$custom: #64281d;
$custom-light: #956459;
$custom-dark: #000000;

JSON

{
  "hex": "#64281d",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 29
  },
  "hsl": {
    "h": 9.296,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36076,
    "c": 0.08963,
    "h": 32.2
  },
  "luminance": 0.04316
}

Semantic roles & 50–950 ramp

primary

#64281D

secondary

#448C99

accent

#C7DE49

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #64281D

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

Preview Lab → · Contrast checker → · Palette generator →