#B03618#B03618
#B03618 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.163 H 34.5°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).
Color values
| HEX | #B03618 |
|---|---|
| RGB | rgb(176, 54, 24) |
| HSL | hsl(12, 76%, 39%) |
| HSV | hsv(12, 86%, 69%) |
| CMYK | cmyk(0%, 69.3%, 86.4%, 31%) |
| CIE-LAB | lab(41.12, 48.15, 44.44) |
| CIE-LCH | lch(41.12, 65.53, 42.71°) |
| OKLab | oklab(51.07% 0.1346 0.0926) |
| OKLCH | oklch(51.07% 0.163 34.5) |
| XYZ | xyz(19.3908, 11.9374, 2.1471) |
| Luminance | 0.1193 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 1.58
Rust Red
#AA2704
ΔE00 3.24
Brick
#A03623
ΔE00 4.29
Rust (survey)
#A83C09
ΔE00 4.40
Brownish Red
#9E3623
ΔE00 4.60
Rust
#B7410E
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B03618 #1892B0
analogous
#B01846 #B03618 #B08218
triadic
#B03618 #18B036 #3618B0
tetradic
#B03618 #46B018 #1892B0 #8218B0
square
#B03618 #46B018 #1892B0 #8218B0
split-complementary
#B03618 #18B082 #1846B0
monochromatic
#441509 #7A2511 #B03618 #E14924 #E8765A
Accessibility & contrast
On white
6.20
#B03618 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.39
#B03618 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B03618
6.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B03618 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B03618 | 1.00 | 6.20 | 3.39 | 6.20 |
| #FFFFFF | 6.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A5012
Deuteranopia (green-blind)
#786B10
Tritanopia (blue-blind)
#C20531
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b03618; /* rgb */ color: rgb(176, 54, 24); /* oklch */ color: oklch(51.1% 0.163 34.5);
Tailwind
colors: {
custom: {
50: '#d17459',
500: '#b03618',
950: '#000000',
},
}SCSS
$custom: #b03618; $custom-light: #d17459; $custom-dark: #000000;
JSON
{
"hex": "#b03618",
"rgb": {
"r": 176,
"g": 54,
"b": 24
},
"hsl": {
"h": 11.842,
"s": 76,
"l": 39.216
},
"oklch": {
"l": 0.51073,
"c": 0.16334,
"h": 34.5
},
"luminance": 0.11934
}Semantic roles & 50–950 ramp
primary
#B03618
secondary
#58B5CC
accent
#CDF335
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79