#633D18#633D18

#633D18 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.8% C 0.074 H 61.9°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#633D18
RGB	rgb(99, 61, 24)
HSL	hsl(30, 61%, 24%)
HSV	hsv(30, 76%, 39%)
CMYK	cmyk(0%, 38.4%, 75.8%, 61.2%)
CIE-LAB	lab(29.56, 13.02, 28.90)
CIE-LCH	lch(29.56, 31.70, 65.74°)
OKLab	oklab(39.75% 0.0347 0.065)
OKLCH	oklch(39.75% 0.074 61.9)
XYZ	xyz(6.9797, 6.0567, 1.6655)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633D18 #183E63

analogous

#631819 #633D18 #636318

triadic

#633D18 #18633D #3D1863

tetradic

#633D18 #196318 #183E63 #631863

square

#633D18 #196318 #183E63 #631863

split-complementary

#633D18 #186363 #181963

monochromatic

#190F06 #321F0C #633D18 #945B24 #C67A30

Accessibility & contrast

On white

9.50

#633D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#633D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633D18

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633D18	#FFFFFF	#000000	##FFFFFF
##633D18	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494014

Deuteranopia (green-blind)

#524918

Tritanopia (blue-blind)

#6D3535

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #633d18;
/* rgb */ color: rgb(99, 61, 24);
/* oklch */ color: oklch(39.8% 0.074 61.9);

Tailwind

colors: {
  custom: {
    50: '#937257',
    500: '#633d18',
    950: '#000000',
  },
}

SCSS

$custom: #633d18;
$custom-light: #937257;
$custom-dark: #000000;

JSON

{
  "hex": "#633d18",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 24
  },
  "hsl": {
    "h": 29.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39752,
    "c": 0.0737,
    "h": 61.9
  },
  "luminance": 0.06056
}

Semantic roles & 50–950 ramp

primary

#633D18

secondary

#3E6C99

accent

#95E444

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #633D18

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

Preview Lab → · Contrast checker → · Palette generator →