#63391E#63391E

#63391E is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.072 H 51.9°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#63391E
RGB	rgb(99, 57, 30)
HSL	hsl(23, 53%, 25%)
HSV	hsv(23, 70%, 39%)
CMYK	cmyk(0%, 42.4%, 69.7%, 61.2%)
CIE-LAB	lab(28.57, 15.89, 24.41)
CIE-LCH	lch(28.57, 29.12, 56.94°)
OKLab	oklab(39.02% 0.0443 0.0565)
OKLCH	oklch(39.02% 0.072 51.9)
XYZ	xyz(6.8436, 5.6733, 1.9627)
Luminance	0.0567 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63391E #1E4863

analogous

#631E26 #63391E #635B1E

triadic

#63391E #1E6339 #391E63

tetradic

#63391E #26631E #1E4863 #5B1E63

square

#63391E #26631E #1E4863 #5B1E63

split-complementary

#63391E #1E635B #1E2663

monochromatic

#170E07 #341E10 #63391E #92542C #C16F3A

Accessibility & contrast

On white

9.84

#63391E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#63391E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63391E

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63391E	#FFFFFF	#000000	##FFFFFF
##63391E	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E1B

Deuteranopia (green-blind)

#4F471E

Tritanopia (blue-blind)

#6C3133

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #63391e;
/* rgb */ color: rgb(99, 57, 30);
/* oklch */ color: oklch(39.0% 0.072 51.9);

Tailwind

colors: {
  custom: {
    50: '#936f5b',
    500: '#63391e',
    950: '#000000',
  },
}

SCSS

$custom: #63391e;
$custom-light: #936f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#63391e",
  "rgb": {
    "r": 99,
    "g": 57,
    "b": 30
  },
  "hsl": {
    "h": 23.478,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.39016,
    "c": 0.07182,
    "h": 51.9
  },
  "luminance": 0.05673
}

Semantic roles & 50–950 ramp

primary

#63391E

secondary

#457798

accent

#A4DD4B

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #63391E

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

Preview Lab → · Contrast checker → · Palette generator →