#B03A36#B03A36
#B03A36 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.154 H 26.0°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B03A36 |
|---|---|
| RGB | rgb(176, 58, 54) |
| HSL | hsl(2, 53%, 45%) |
| HSV | hsv(2, 69%, 69%) |
| CMYK | cmyk(0%, 67%, 69.3%, 31%) |
| CIE-LAB | lab(42.04, 47.65, 29.17) |
| CIE-LCH | lch(42.04, 55.87, 31.48°) |
| OKLab | oklab(51.87% 0.1388 0.0676) |
| OKLCH | oklch(51.87% 0.154 26) |
| XYZ | xyz(20.0855, 12.5254, 4.8493) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.01
Brown
#A52A2A
ΔE00 4.02
Firebrick
#B22222
ΔE00 4.29
Reddish
#C44240
ΔE00 4.83
Cardinal
#C41E3A
ΔE00 5.57
Lipstick Red
#C0022F
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B03A36 #36ACB0
analogous
#B0366F #B03A36 #B07736
triadic
#B03A36 #36B03A #3A36B0
tetradic
#B03A36 #6FB036 #36ACB0 #7736B0
square
#B03A36 #6FB036 #36ACB0 #7736B0
split-complementary
#B03A36 #36B077 #366FB0
monochromatic
#521B19 #812B28 #B03A36 #CC5B58 #DA8986
Accessibility & contrast
On white
5.99
#B03A36 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B03A36 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B03A36
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B03A36 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B03A36 | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A5335
Deuteranopia (green-blind)
#786D32
Tritanopia (blue-blind)
#C11B3A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b03a36; /* rgb */ color: rgb(176, 58, 54); /* oklch */ color: oklch(51.9% 0.154 26.0);
Tailwind
colors: {
custom: {
50: '#cf776d',
500: '#b03a36',
950: '#000000',
},
}SCSS
$custom: #b03a36; $custom-light: #cf776d; $custom-dark: #000000;
JSON
{
"hex": "#b03a36",
"rgb": {
"r": 176,
"g": 58,
"b": 54
},
"hsl": {
"h": 1.967,
"s": 53.043,
"l": 45.098
},
"oklch": {
"l": 0.51865,
"c": 0.15439,
"h": 26
},
"luminance": 0.12523
}Semantic roles & 50–950 ramp
primary
#B03A36
secondary
#7EC2C4
accent
#D8DC4B
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A