#63391D#63391D

#63391D is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.072 H 52.7°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#63391D
RGB	rgb(99, 57, 29)
HSL	hsl(24, 55%, 25%)
HSV	hsv(24, 71%, 39%)
CMYK	cmyk(0%, 42.4%, 70.7%, 61.2%)
CIE-LAB	lab(28.56, 15.82, 24.98)
CIE-LCH	lch(28.56, 29.57, 57.67°)
OKLab	oklab(39% 0.0439 0.0576)
OKLCH	oklch(39% 0.072 52.7)
XYZ	xyz(6.8310, 5.6683, 1.8965)
Luminance	0.0567 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63391D #1D4763

analogous

#631D24 #63391D #635C1D

triadic

#63391D #1D6339 #391D63

tetradic

#63391D #24631D #1D4763 #5C1D63

square

#63391D #24631D #1D4763 #5C1D63

split-complementary

#63391D #1D635C #1D2463

monochromatic

#180E07 #341E0F #63391D #92542B #C27039

Accessibility & contrast

On white

9.84

#63391D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#63391D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63391D

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63391D	#FFFFFF	#000000	##FFFFFF
##63391D	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)

#453E1A

Deuteranopia (green-blind)

#4F471D

Tritanopia (blue-blind)

#6C3033

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #63391d;
/* rgb */ color: rgb(99, 57, 29);
/* oklch */ color: oklch(39.0% 0.072 52.7);

Tailwind

colors: {
  custom: {
    50: '#936f5a',
    500: '#63391d',
    950: '#000000',
  },
}

SCSS

$custom: #63391d;
$custom-light: #936f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#63391d",
  "rgb": {
    "r": 99,
    "g": 57,
    "b": 29
  },
  "hsl": {
    "h": 24,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.39001,
    "c": 0.07243,
    "h": 52.7
  },
  "luminance": 0.05668
}

Semantic roles & 50–950 ramp

primary

#63391D

secondary

#447698

accent

#A3DE4A

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #63391D

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

Preview Lab → · Contrast checker → · Palette generator →