#64311A#64311A

#64311A is a dark, moderate orange. Relative luminance 0.050; OKLCH L 37.6% C 0.081 H 43.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#64311A
RGB	rgb(100, 49, 26)
HSL	hsl(19, 59%, 25%)
HSV	hsv(19, 74%, 39%)
CMYK	cmyk(0%, 51%, 74%, 60.8%)
CIE-LAB	lab(26.68, 20.93, 24.66)
CIE-LCH	lch(26.68, 32.34, 49.69°)
OKLab	oklab(37.58% 0.0588 0.0563)
OKLCH	oklch(37.58% 0.081 43.8)
XYZ	xyz(6.5409, 4.9813, 1.5941)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64311A #1A4D64

analogous

#641A28 #64311A #64561A

triadic

#64311A #1A6431 #311A64

tetradic

#64311A #28641A #1A4D64 #561A64

square

#64311A #28641A #1A4D64 #561A64

split-complementary

#64311A #1A6456 #1A2864

monochromatic

#180C06 #33190D #64311A #954927 #C56133

Accessibility & contrast

On white

10.52

#64311A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#64311A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64311A

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64311A	#FFFFFF	#000000	##FFFFFF
##64311A	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3818

Deuteranopia (green-blind)

#4B4319

Tritanopia (blue-blind)

#6E272C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #64311a;
/* rgb */ color: rgb(100, 49, 26);
/* oklch */ color: oklch(37.6% 0.081 43.8);

Tailwind

colors: {
  custom: {
    50: '#956a57',
    500: '#64311a',
    950: '#000000',
  },
}

SCSS

$custom: #64311a;
$custom-light: #956a57;
$custom-dark: #000000;

JSON

{
  "hex": "#64311a",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 26
  },
  "hsl": {
    "h": 18.649,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.37578,
    "c": 0.08138,
    "h": 43.8
  },
  "luminance": 0.04981
}

Semantic roles & 50–950 ramp

primary

#64311A

secondary

#407E9A

accent

#B1E246

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0603

muted

#7E7A78

Preview Lab

Preview with #64311A

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

Preview Lab → · Contrast checker → · Palette generator →