#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 |
|---|---|
| RGB | rgb(69, 31, 11) |
| HSL | hsl(21, 73%, 16%) |
| HSV | hsv(21, 84%, 27%) |
| CMYK | cmyk(0%, 55.1%, 84.1%, 72.9%) |
| CIE-LAB | lab(16.84, 16.53, 20.51) |
| CIE-LCH | lch(16.84, 26.34, 51.12°) |
| OKLab | oklab(28.93% 0.0457 0.0475) |
| OKLCH | oklch(28.93% 0.066 46.1) |
| XYZ | xyz(3.0049, 2.2697, 0.5964) |
| Luminance | 0.0227 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Chocolate Brown
#411900
ΔE00 1.76
Chocolate (survey)
#3D1C02
ΔE00 2.59
Dark Brown
#341C02
ΔE00 6.14
Mahogany
#4A0100
ΔE00 10.01
Dried Blood
#4B0101
ΔE00 10.12
Deep Brown
#410200
ΔE00 10.19
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 |
|---|---|---|---|---|
| ##451F0B | 1.00 | 14.44 | 1.45 | 14.44 |
| #FFFFFF | 14.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.44 | 1.00 | 21.00 | 1.00 |
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