#451F0B#451F0B

#451F0B is a dark, moderate orange. Relative luminance 0.023; OKLCH L 28.9% C 0.066 H 46.1°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX#451F0B
RGBrgb(69, 31, 11)
HSLhsl(21, 73%, 16%)
HSVhsv(21, 84%, 27%)
CMYKcmyk(0%, 55.1%, 84.1%, 72.9%)
CIE-LABlab(16.84, 16.53, 20.51)
CIE-LCHlch(16.84, 26.34, 51.12°)
OKLaboklab(28.93% 0.0457 0.0475)
OKLCHoklch(28.93% 0.066 46.1)
XYZxyz(3.0049, 2.2697, 0.5964)
Luminance0.0227 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#451F0B #0B3145
analogous
#450B14 #451F0B #453C0B
triadic
#451F0B #0B451F #1F0B45
tetradic
#451F0B #14450B #0B3145 #3C0B45
square
#451F0B #14450B #0B3145 #3C0B45
split-complementary
#451F0B #0B453C #0B1445
monochromatic
#1A0C04 #1A0C04 #451F0B #7A3713 #AF4E1C

Accessibility & contrast

On white

14.44
#451F0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#451F0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451F0B
14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##451F0B#FFFFFF#000000##FFFFFF
##451F0B1.0014.441.4514.44
#FFFFFF14.441.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A2409
Deuteranopia (green-blind)
#332D0A
Tritanopia (blue-blind)
#4C171B
Achromatopsia (no color)
#2A2A2A

Design tokens & code

CSS
--color: #451f0b;
/* rgb */ color: rgb(69, 31, 11);
/* oklch */ color: oklch(28.9% 0.066 46.1);
Tailwind
colors: {
  custom: {
    50: '#7d5b4c',
    500: '#451f0b',
    950: '#000000',
  },
}
SCSS
$custom: #451f0b;
$custom-light: #7d5b4c;
$custom-dark: #000000;
JSON
{
  "hex": "#451f0b",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 11
  },
  "hsl": {
    "h": 20.69,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.28931,
    "c": 0.06588,
    "h": 46.1
  },
  "luminance": 0.02269
}

Semantic roles & 50–950 ramp

primary
#451F0B
secondary
#2A6381
accent
#B0EF39
background
#F7F5F4
surface
#EEE9E7
border
#C9C5C3
text
#0A0401
muted
#7C7977

Preview Lab

Preview with #451F0B

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

Preview Lab → · Contrast checker → · Palette generator →

#451F0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva