#64391B#64391B

#64391B is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.1% C 0.075 H 53.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#64391B
RGB	rgb(100, 57, 27)
HSL	hsl(25, 57%, 25%)
HSV	hsv(25, 73%, 39%)
CMYK	cmyk(0%, 43%, 73%, 60.8%)
CIE-LAB	lab(28.68, 16.15, 26.32)
CIE-LCH	lch(28.68, 30.88, 58.46°)
OKLab	oklab(39.12% 0.0445 0.0601)
OKLCH	oklch(39.12% 0.075 53.5)
XYZ	xyz(6.9170, 5.7154, 1.7756)
Luminance	0.0571 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64391B #1B4664

analogous

#641B21 #64391B #645E1B

triadic

#64391B #1B6439 #391B64

tetradic

#64391B #21641B #1B4664 #5E1B64

square

#64391B #21641B #1B4664 #5E1B64

split-complementary

#64391B #1B645E #1B2164

monochromatic

#180E07 #341E0E #64391B #945428 #C47035

Accessibility & contrast

On white

9.80

#64391B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#64391B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64391B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64391B	#FFFFFF	#000000	##FFFFFF
##64391B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E18

Deuteranopia (green-blind)

#50471B

Tritanopia (blue-blind)

#6E3032

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #64391b;
/* rgb */ color: rgb(100, 57, 27);
/* oklch */ color: oklch(39.1% 0.075 53.5);

Tailwind

colors: {
  custom: {
    50: '#946f58',
    500: '#64391b',
    950: '#000000',
  },
}

SCSS

$custom: #64391b;
$custom-light: #946f58;
$custom-dark: #000000;

JSON

{
  "hex": "#64391b",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 24.658,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.39119,
    "c": 0.07476,
    "h": 53.5
  },
  "luminance": 0.05715
}

Semantic roles & 50–950 ramp

primary

#64391B

secondary

#417599

accent

#A2E147

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #64391B

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

Preview Lab → · Contrast checker → · Palette generator →