#64281E#64281E

#64281E is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.1% C 0.089 H 31.4°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#64281E
RGB	rgb(100, 40, 30)
HSL	hsl(9, 54%, 25%)
HSV	hsv(9, 70%, 39%)
CMYK	cmyk(0%, 60%, 70%, 60.8%)
CIE-LAB	lab(24.71, 26.35, 19.87)
CIE-LCH	lch(24.71, 33.00, 37.03°)
OKLab	oklab(36.09% 0.0763 0.0466)
OKLCH	oklch(36.09% 0.089 31.4)
XYZ	xyz(6.2493, 4.3214, 1.7331)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64281E #1E5A64

analogous

#641E37 #64281E #644B1E

triadic

#64281E #1E6428 #281E64

tetradic

#64281E #37641E #1E5A64 #4B1E64

square

#64281E #37641E #1E5A64 #4B1E64

split-complementary

#64281E #1E644B #1E3764

monochromatic

#180907 #351510 #64281E #933B2C #C24E3A

Accessibility & contrast

On white

11.26

#64281E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#64281E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64281E

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64281E	#FFFFFF	#000000	##FFFFFF
##64281E	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331D

Deuteranopia (green-blind)

#46401D

Tritanopia (blue-blind)

#6E1C26

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #64281e;
/* rgb */ color: rgb(100, 40, 30);
/* oklch */ color: oklch(36.1% 0.089 31.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64281e",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 30
  },
  "hsl": {
    "h": 8.571,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36093,
    "c": 0.08934,
    "h": 31.4
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary

#64281E

secondary

#458D99

accent

#C8DD4B

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #64281E

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

Preview Lab → · Contrast checker → · Palette generator →