#B04539#B04539
#B04539 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.3% C 0.142 H 29.1°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).
Color values
| HEX | #B04539 |
|---|---|
| RGB | rgb(176, 69, 57) |
| HSL | hsl(6, 51%, 46%) |
| HSV | hsv(6, 68%, 69%) |
| CMYK | cmyk(0%, 60.8%, 67.6%, 31%) |
| CIE-LAB | lab(43.92, 42.89, 29.67) |
| CIE-LCH | lch(43.92, 52.15, 34.67°) |
| OKLab | oklab(53.3% 0.1245 0.0692) |
| OKLCH | oklch(53.3% 0.142 29.1) |
| XYZ | xyz(20.7732, 13.7845, 5.4369) |
| Luminance | 0.1378 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.61
Reddish
#C44240
ΔE00 4.47
Brick
#A03623
ΔE00 5.83
Firebrick
#B22222
ΔE00 6.00
Brownish Red
#9E3623
ΔE00 6.08
Brown
#A52A2A
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B04539 #39A4B0
analogous
#B03969 #B04539 #B08039
triadic
#B04539 #39B045 #4539B0
tetradic
#B04539 #69B039 #39A4B0 #8039B0
square
#B04539 #69B039 #39A4B0 #8039B0
split-complementary
#B04539 #39B080 #3969B0
monochromatic
#54211B #82332A #B04539 #CA675C #D9928A
Accessibility & contrast
On white
5.59
#B04539 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.76
#B04539 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B04539
5.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B04539 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B04539 | 1.00 | 5.59 | 3.76 | 5.59 |
| #FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615937
Deuteranopia (green-blind)
#7C7036
Tritanopia (blue-blind)
#C12E43
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #b04539; /* rgb */ color: rgb(176, 69, 57); /* oklch */ color: oklch(53.3% 0.142 29.1);
Tailwind
colors: {
custom: {
50: '#ce7d70',
500: '#b04539',
950: '#000000',
},
}SCSS
$custom: #b04539; $custom-light: #ce7d70; $custom-dark: #000000;
JSON
{
"hex": "#b04539",
"rgb": {
"r": 176,
"g": 69,
"b": 57
},
"hsl": {
"h": 6.05,
"s": 51.073,
"l": 45.686
},
"oklch": {
"l": 0.53295,
"c": 0.14239,
"h": 29.1
},
"luminance": 0.13782
}Semantic roles & 50–950 ramp
primary
#B04539
secondary
#81BDC4
accent
#CCDB4D
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150A07
muted
#837C7A