#B03F26#B03F26
#B03F26 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.153 H 34.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).
Color values
| HEX | #B03F26 |
|---|---|
| RGB | rgb(176, 63, 38) |
| HSL | hsl(11, 64%, 42%) |
| HSV | hsv(11, 78%, 69%) |
| CMYK | cmyk(0%, 64.2%, 78.4%, 31%) |
| CIE-LAB | lab(42.65, 44.74, 38.94) |
| CIE-LCH | lch(42.65, 59.31, 41.03°) |
| OKLab | oklab(52.27% 0.1265 0.0853) |
| OKLCH | oklch(52.27% 0.153 34) |
| XYZ | xyz(20.0341, 12.9279, 3.2738) |
| Luminance | 0.1293 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.98
Brick
#A03623
ΔE00 4.18
Brownish Red
#9E3623
ΔE00 4.52
Rust Red
#AA2704
ΔE00 5.50
Rust
#B7410E
ΔE00 5.53
Rust (survey)
#A83C09
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B03F26 #2697B0
analogous
#B02652 #B03F26 #B08426
triadic
#B03F26 #26B03F #3F26B0
tetradic
#B03F26 #52B026 #2697B0 #8426B0
square
#B03F26 #52B026 #2697B0 #8426B0
split-complementary
#B03F26 #26B084 #2652B0
monochromatic
#4B1B10 #7E2D1B #B03F26 #D5593E #E08570
Accessibility & contrast
On white
5.86
#B03F26 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.59
#B03F26 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B03F26
5.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B03F26 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B03F26 | 1.00 | 5.86 | 3.59 | 5.86 |
| #FFFFFF | 5.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5522
Deuteranopia (green-blind)
#7B6E22
Tritanopia (blue-blind)
#C2213A
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b03f26; /* rgb */ color: rgb(176, 63, 38); /* oklch */ color: oklch(52.3% 0.153 34.0);
Tailwind
colors: {
custom: {
50: '#d07962',
500: '#b03f26',
950: '#000000',
},
}SCSS
$custom: #b03f26; $custom-light: #d07962; $custom-dark: #000000;
JSON
{
"hex": "#b03f26",
"rgb": {
"r": 176,
"g": 63,
"b": 38
},
"hsl": {
"h": 10.87,
"s": 64.486,
"l": 41.961
},
"oklch": {
"l": 0.52266,
"c": 0.15255,
"h": 34
},
"luminance": 0.12925
}Semantic roles & 50–950 ramp
primary
#B03F26
secondary
#6BB6C7
accent
#C9E740
background
#FDF7F5
surface
#FBEEEA
border
#D4C9C6
text
#150905
muted
#837B79