#633836#633836

#633836 is a dark, moderate red. Relative luminance 0.057; OKLCH L 39.3% C 0.062 H 23.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#633836
RGB	rgb(99, 56, 54)
HSL	hsl(3, 29%, 30%)
HSV	hsv(3, 45%, 39%)
CMYK	cmyk(0%, 43.4%, 45.5%, 61.2%)
CIE-LAB	lab(28.77, 18.85, 9.51)
CIE-LCH	lch(28.77, 21.11, 26.77°)
OKLab	oklab(39.31% 0.0568 0.0242)
OKLCH	oklch(39.31% 0.062 23.1)
XYZ	xyz(7.2260, 5.7480, 4.2182)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633836 #366163

analogous

#63364A #633836 #634F36

triadic

#633836 #366338 #383663

tetradic

#633836 #4A6336 #366163 #4F3663

square

#633836 #4A6336 #366163 #4F3663

split-complementary

#633836 #36634F #364A63

monochromatic

#140B0B #3B2220 #633836 #8B4E4C #AC6A67

Accessibility & contrast

On white

9.77

#633836 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#633836 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633836

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633836	#FFFFFF	#000000	##FFFFFF
##633836	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413F36

Deuteranopia (green-blind)

#4C4735

Tritanopia (blue-blind)

#6B3238

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #633836;
/* rgb */ color: rgb(99, 56, 54);
/* oklch */ color: oklch(39.3% 0.062 23.1);

Tailwind

colors: {
  custom: {
    50: '#916f6d',
    500: '#633836',
    950: '#000000',
  },
}

SCSS

$custom: #633836;
$custom-light: #916f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#633836",
  "rgb": {
    "r": 99,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 2.667,
    "s": 29.412,
    "l": 30
  },
  "oklch": {
    "l": 0.39311,
    "c": 0.06175,
    "h": 23.1
  },
  "luminance": 0.05747
}

Semantic roles & 50–950 ramp

primary

#633836

secondary

#619194

accent

#C1C662

background

#F9F6F6

surface

#F1ECEB

border

#CBC7C6

text

#0D0707

muted

#7E7A7A

Preview Lab

Preview with #633836

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

Preview Lab → · Contrast checker → · Palette generator →