#311B09#311B09
#311B09 is a very dark, muted orange. Relative luminance 0.015; OKLCH L 24.8% C 0.045 H 57.7°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).
Color values
| HEX | #311B09 |
|---|---|
| RGB | rgb(49, 27, 9) |
| HSL | hsl(27, 69%, 11%) |
| HSV | hsv(27, 82%, 19%) |
| CMYK | cmyk(0%, 44.9%, 81.6%, 80.8%) |
| CIE-LAB | lab(12.33, 8.85, 14.83) |
| CIE-LCH | lch(12.33, 17.27, 59.16°) |
| OKLab | oklab(24.75% 0.0242 0.0383) |
| OKLCH | oklch(24.75% 0.045 57.7) |
| XYZ | xyz(1.7080, 1.4567, 0.4496) |
| Luminance | 0.0146 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Dark Brown
#341C02
ΔE00 2.39
Chocolate (survey)
#3D1C02
ΔE00 4.68
Chocolate Brown
#411900
ΔE00 6.69
Espresso
#4B382A
ΔE00 9.23
Very Dark Brown
#1D0200
ΔE00 10.20
Deep Brown
#410200
ΔE00 13.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#311B09 #091F31
analogous
#31090B #311B09 #312F09
triadic
#311B09 #09311B #1B0931
tetradic
#311B09 #0B3109 #091F31 #2F0931
square
#311B09 #0B3109 #091F31 #2F0931
split-complementary
#311B09 #09312F #090B31
monochromatic
#1A0E05 #1A0E05 #311B09 #653712 #98541C
Accessibility & contrast
On white
16.26
#311B09 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.29
#311B09 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #311B09
16.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##311B09 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##311B09 | 1.00 | 16.26 | 1.29 | 16.26 |
| #FFFFFF | 16.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#221D07
Deuteranopia (green-blind)
#272209
Tritanopia (blue-blind)
#361617
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #311b09; /* rgb */ color: rgb(49, 27, 9); /* oklch */ color: oklch(24.8% 0.045 57.7);
Tailwind
colors: {
custom: {
50: '#6b574a',
500: '#311b09',
950: '#000000',
},
}SCSS
$custom: #311b09; $custom-light: #6b574a; $custom-dark: #000000;
JSON
{
"hex": "#311b09",
"rgb": {
"r": 49,
"g": 27,
"b": 9
},
"hsl": {
"h": 27,
"s": 68.966,
"l": 11.373
},
"oklch": {
"l": 0.2475,
"c": 0.04524,
"h": 57.7
},
"luminance": 0.01457
}Semantic roles & 50–950 ramp
primary
#311B09
secondary
#274F6F
accent
#9DEC3C
background
#F6F5F4
surface
#EBE9E7
border
#C6C5C3
text
#070301
muted
#7A7877