#63391C#63391C

#63391C is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.073 H 53.4°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#63391C
RGB	rgb(99, 57, 28)
HSL	hsl(25, 56%, 25%)
HSV	hsv(25, 72%, 39%)
CMYK	cmyk(0%, 42.4%, 71.7%, 61.2%)
CIE-LAB	lab(28.55, 15.75, 25.55)
CIE-LCH	lch(28.55, 30.02, 58.35°)
OKLab	oklab(38.99% 0.0436 0.0586)
OKLCH	oklch(38.99% 0.073 53.4)
XYZ	xyz(6.8189, 5.6634, 1.8324)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63391C #1C4663

analogous

#631C22 #63391C #635D1C

triadic

#63391C #1C6339 #391C63

tetradic

#63391C #22631C #1C4663 #5D1C63

square

#63391C #22631C #1C4663 #5D1C63

split-complementary

#63391C #1C635D #1C2263

monochromatic

#180E07 #331E0F #63391C #935429 #C27037

Accessibility & contrast

On white

9.85

#63391C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#63391C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63391C

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63391C	#FFFFFF	#000000	##FFFFFF
##63391C	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E19

Deuteranopia (green-blind)

#4F471C

Tritanopia (blue-blind)

#6C3032

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #63391c;
/* rgb */ color: rgb(99, 57, 28);
/* oklch */ color: oklch(39.0% 0.073 53.4);

Tailwind

colors: {
  custom: {
    50: '#936f59',
    500: '#63391c',
    950: '#000000',
  },
}

SCSS

$custom: #63391c;
$custom-light: #936f59;
$custom-dark: #000000;

JSON

{
  "hex": "#63391c",
  "rgb": {
    "r": 99,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 24.507,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.38987,
    "c": 0.07304,
    "h": 53.4
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#63391C

secondary

#437598

accent

#A2DF49

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #63391C

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

Preview Lab → · Contrast checker → · Palette generator →