#64381F#64381F

#64381F is a dark, moderate orange. Relative luminance 0.056; OKLCH L 39.0% C 0.073 H 49.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#64381F
RGB	rgb(100, 56, 31)
HSL	hsl(22, 53%, 26%)
HSV	hsv(22, 69%, 39%)
CMYK	cmyk(0%, 44%, 69%, 60.8%)
CIE-LAB	lab(28.48, 17.04, 23.74)
CIE-LCH	lch(28.48, 29.22, 54.33°)
OKLab	oklab(38.98% 0.0479 0.0552)
OKLCH	oklch(38.98% 0.073 49)
XYZ	xyz(6.9176, 5.6373, 2.0199)
Luminance	0.0564 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64381F #1F4B64

analogous

#641F28 #64381F #645A1F

triadic

#64381F #1F6438 #381F64

tetradic

#64381F #28641F #1F4B64 #5A1F64

square

#64381F #28641F #1F4B64 #5A1F64

split-complementary

#64381F #1F645A #1F2864

monochromatic

#170D07 #351E11 #64381F #93522D #C16C3C

Accessibility & contrast

On white

9.87

#64381F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#64381F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64381F

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64381F	#FFFFFF	#000000	##FFFFFF
##64381F	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1D

Deuteranopia (green-blind)

#4F471F

Tritanopia (blue-blind)

#6E2F32

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #64381f;
/* rgb */ color: rgb(100, 56, 31);
/* oklch */ color: oklch(39.0% 0.073 49.0);

Tailwind

colors: {
  custom: {
    50: '#946f5b',
    500: '#64381f',
    950: '#000000',
  },
}

SCSS

$custom: #64381f;
$custom-light: #946f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#64381f",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 31
  },
  "hsl": {
    "h": 21.739,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.38978,
    "c": 0.07308,
    "h": 49
  },
  "luminance": 0.05637
}

Semantic roles & 50–950 ramp

primary

#64381F

secondary

#467B98

accent

#A8DC4C

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #64381F

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

Preview Lab → · Contrast checker → · Palette generator →