#B75537#B75537
#B75537 is a mid, vivid red. Relative luminance 0.168; OKLCH L 56.6% C 0.135 H 37.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #B75537 |
|---|---|
| RGB | rgb(183, 85, 55) |
| HSL | hsl(14, 54%, 47%) |
| HSV | hsv(14, 70%, 72%) |
| CMYK | cmyk(0%, 53.6%, 69.9%, 28.2%) |
| CIE-LAB | lab(48.06, 37.55, 35.95) |
| CIE-LCH | lch(48.06, 51.98, 43.75°) |
| OKLab | oklab(56.64% 0.1067 0.0823) |
| OKLCH | oklch(56.64% 0.135 37.6) |
| XYZ | xyz(23.4687, 16.8430, 5.6289) |
| Luminance | 0.1684 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.94
Clay
#B66A50
ΔE00 6.35
Terra Cotta
#C9643B
ΔE00 6.39
Rust
#B7410E
ΔE00 6.56
Terracotta (survey)
#CA6641
ΔE00 6.61
Brick Orange
#C14A09
ΔE00 6.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B75537 #3799B7
analogous
#B73759 #B75537 #B79537
triadic
#B75537 #37B755 #5537B7
tetradic
#B75537 #59B737 #3799B7 #9537B7
square
#B75537 #59B737 #3799B7 #9537B7
split-complementary
#B75537 #37B795 #3759B7
monochromatic
#59291B #883F29 #B75537 #CE775D #DC9F8C
Accessibility & contrast
On white
4.81
#B75537 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#B75537 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B75537
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B75537 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B75537 | 1.00 | 4.81 | 4.37 | 4.81 |
| #FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F6534
Deuteranopia (green-blind)
#877A35
Tritanopia (blue-blind)
#C8414E
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #b75537; /* rgb */ color: rgb(183, 85, 55); /* oklch */ color: oklch(56.6% 0.135 37.6);
Tailwind
colors: {
custom: {
50: '#d3876f',
500: '#b75537',
950: '#000000',
},
}SCSS
$custom: #b75537; $custom-light: #d3876f; $custom-dark: #000000;
JSON
{
"hex": "#b75537",
"rgb": {
"r": 183,
"g": 85,
"b": 55
},
"hsl": {
"h": 14.062,
"s": 53.782,
"l": 46.667
},
"oklch": {
"l": 0.56642,
"c": 0.13478,
"h": 37.6
},
"luminance": 0.1684
}Semantic roles & 50–950 ramp
primary
#B75537
secondary
#83B7C7
accent
#BBDD4B
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A