#B03527#B03527
#B03527 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.162 H 30.0°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).
Color values
| HEX | #B03527 |
|---|---|
| RGB | rgb(176, 53, 39) |
| HSL | hsl(6, 64%, 42%) |
| HSV | hsv(6, 78%, 69%) |
| CMYK | cmyk(0%, 69.9%, 77.8%, 31%) |
| CIE-LAB | lab(41.10, 49.02, 36.78) |
| CIE-LCH | lch(41.10, 61.28, 36.88°) |
| OKLab | oklab(51.1% 0.14 0.0809) |
| OKLCH | oklch(51.1% 0.162 30) |
| XYZ | xyz(19.5460, 11.9257, 3.1918) |
| Luminance | 0.1192 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.03
Brick
#A03623
ΔE00 3.32
Brownish Red
#9E3623
ΔE00 3.70
Scarlet
#BE0119
ΔE00 4.59
Brown
#A52A2A
ΔE00 4.60
Rusty Red
#AF2F0D
ΔE00 5.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B03527 #27A2B0
analogous
#B0275E #B03527 #B07927
triadic
#B03527 #27B035 #3527B0
tetradic
#B03527 #5EB027 #27A2B0 #7927B0
square
#B03527 #5EB027 #27A2B0 #7927B0
split-complementary
#B03527 #27B079 #275EB0
monochromatic
#4C1711 #7E261C #B03527 #D54F40 #E07D72
Accessibility & contrast
On white
6.20
#B03527 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.38
#B03527 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B03527
6.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B03527 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B03527 | 1.00 | 6.20 | 3.38 | 6.20 |
| #FFFFFF | 6.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595024
Deuteranopia (green-blind)
#776B22
Tritanopia (blue-blind)
#C20733
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b03527; /* rgb */ color: rgb(176, 53, 39); /* oklch */ color: oklch(51.1% 0.162 30.0);
Tailwind
colors: {
custom: {
50: '#d07462',
500: '#b03527',
950: '#000000',
},
}SCSS
$custom: #b03527; $custom-light: #d07462; $custom-dark: #000000;
JSON
{
"hex": "#b03527",
"rgb": {
"r": 176,
"g": 53,
"b": 39
},
"hsl": {
"h": 6.131,
"s": 63.721,
"l": 42.157
},
"oklch": {
"l": 0.511,
"c": 0.16167,
"h": 30
},
"luminance": 0.11923
}Semantic roles & 50–950 ramp
primary
#B03527
secondary
#6CBDC7
accent
#D6E741
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#160905
muted
#847B79