#634B3A#634B3A

#634B3A is a dark, muted orange. Relative luminance 0.080; OKLCH L 43.4% C 0.042 H 56.6°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX#634B3A
RGBrgb(99, 75, 58)
HSLhsl(25, 26%, 31%)
HSVhsv(25, 41%, 39%)
CMYKcmyk(0%, 24.2%, 41.4%, 61.2%)
CIE-LABlab(33.96, 7.58, 14.05)
CIE-LCHlch(33.96, 15.96, 61.64°)
OKLaboklab(43.36% 0.0232 0.0352)
OKLCHoklch(43.36% 0.042 56.6)
XYZxyz(8.4257, 7.9908, 5.1007)
Luminance0.0799 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634B3A #3A5263
analogous
#633A3D #634B3A #635F3A
triadic
#634B3A #3A634B #4B3A63
tetradic
#634B3A #3D633A #3A5263 #5F3A63
square
#634B3A #3D633A #3A5263 #5F3A63
split-complementary
#634B3A #3A635F #3A3D63
monochromatic
#16110D #3C2E23 #634B3A #8A6851 #AA876E

Accessibility & contrast

On white

8.08
#634B3A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#634B3A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #634B3A
8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634B3A#FFFFFF#000000##FFFFFF
##634B3A1.008.082.608.08
#FFFFFF8.081.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524D39
Deuteranopia (green-blind)
#58523A
Tritanopia (blue-blind)
#6A4646
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #634b3a;
/* rgb */ color: rgb(99, 75, 58);
/* oklch */ color: oklch(43.4% 0.042 56.6);
Tailwind
colors: {
  custom: {
    50: '#907d70',
    500: '#634b3a',
    950: '#000000',
  },
}
SCSS
$custom: #634b3a;
$custom-light: #907d70;
$custom-dark: #000000;
JSON
{
  "hex": "#634b3a",
  "rgb": {
    "r": 99,
    "g": 75,
    "b": 58
  },
  "hsl": {
    "h": 24.878,
    "s": 26.115,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43356,
    "c": 0.0422,
    "h": 56.6
  },
  "luminance": 0.0799
}

Semantic roles & 50–950 ramp

primary
#634B3A
secondary
#668093
accent
#9CC265
background
#F8F7F6
surface
#F0EEEC
border
#CBC9C7
text
#0D0907
muted
#7D7B7A

Preview Lab

Preview with #634B3A

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

Preview Lab → · Contrast checker → · Palette generator →

#634B3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva