#633F0F#633F0F

#633F0F is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.079 H 68.9°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#633F0F
RGB	rgb(99, 63, 15)
HSL	hsl(34, 74%, 22%)
HSV	hsv(34, 85%, 39%)
CMYK	cmyk(0%, 36.4%, 84.8%, 61.2%)
CIE-LAB	lab(30.02, 11.33, 33.77)
CIE-LCH	lch(30.02, 35.62, 71.45°)
OKLab	oklab(40.09% 0.0283 0.0732)
OKLCH	oklch(40.09% 0.079 68.9)
XYZ	xyz(7.0099, 6.2428, 1.2877)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633F0F #0F3363

analogous

#63150F #633F0F #5D630F

triadic

#633F0F #0F633F #3F0F63

tetradic

#633F0F #0F6315 #0F3363 #630F5D

square

#633F0F #0F6315 #0F3363 #630F5D

split-complementary

#633F0F #0F5D63 #150F63

monochromatic

#1B1104 #2E1D07 #633F0F #986117 #CD831F

Accessibility & contrast

On white

9.34

#633F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#633F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633F0F

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633F0F	#FFFFFF	#000000	##FFFFFF
##633F0F	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4207

Deuteranopia (green-blind)

#534A10

Tritanopia (blue-blind)

#6D3636

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #633f0f;
/* rgb */ color: rgb(99, 63, 15);
/* oklch */ color: oklch(40.1% 0.079 68.9);

Tailwind

colors: {
  custom: {
    50: '#947452',
    500: '#633f0f',
    950: '#000000',
  },
}

SCSS

$custom: #633f0f;
$custom-light: #947452;
$custom-dark: #000000;

JSON

{
  "hex": "#633f0f",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 15
  },
  "hsl": {
    "h": 34.286,
    "s": 73.684,
    "l": 22.353
  },
  "oklch": {
    "l": 0.40086,
    "c": 0.0785,
    "h": 68.9
  },
  "luminance": 0.06242
}

Semantic roles & 50–950 ramp

primary

#633F0F

secondary

#325F9C

accent

#87F037

background

#F9F7F4

surface

#F2EDE7

border

#CCC8C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #633F0F

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

Preview Lab → · Contrast checker → · Palette generator →