#B4433F#B4433F
#B4433F is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.8% C 0.148 H 25.4°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).
Color values
| HEX | #B4433F |
|---|---|
| RGB | rgb(180, 67, 63) |
| HSL | hsl(2, 48%, 48%) |
| HSV | hsv(2, 65%, 71%) |
| CMYK | cmyk(0%, 62.8%, 65%, 29.4%) |
| CIE-LAB | lab(44.35, 45.61, 26.79) |
| CIE-LCH | lch(44.35, 52.90, 30.43°) |
| OKLab | oklab(53.77% 0.1337 0.0635) |
| OKLCH | oklch(53.77% 0.148 25.4) |
| XYZ | xyz(21.7289, 14.0794, 6.2751) |
| Luminance | 0.1408 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.49
Reddish
#C44240
ΔE00 3.18
Dusty Red
#B9484E
ΔE00 4.06
Cardinal
#C41E3A
ΔE00 5.82
Brown
#A52A2A
ΔE00 6.31
Firebrick
#B22222
ΔE00 6.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4433F #3FB0B4
analogous
#B43F76 #B4433F #B47D3F
triadic
#B4433F #3FB443 #433FB4
tetradic
#B4433F #76B43F #3FB0B4 #7D3FB4
square
#B4433F #76B43F #3FB0B4 #7D3FB4
split-complementary
#B4433F #3FB47D #3F76B4
monochromatic
#59211F #87322F #B4433F #CA6A67 #DA9694
Accessibility & contrast
On white
5.50
#B4433F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.82
#B4433F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4433F
5.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4433F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4433F | 1.00 | 5.50 | 3.82 | 5.50 |
| #FFFFFF | 5.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615A3E
Deuteranopia (green-blind)
#7D723C
Tritanopia (blue-blind)
#C52B43
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #b4433f; /* rgb */ color: rgb(180, 67, 63); /* oklch */ color: oklch(53.8% 0.148 25.4);
Tailwind
colors: {
custom: {
50: '#d17c74',
500: '#b4433f',
950: '#000000',
},
}SCSS
$custom: #b4433f; $custom-light: #d17c74; $custom-dark: #000000;
JSON
{
"hex": "#b4433f",
"rgb": {
"r": 180,
"g": 67,
"b": 63
},
"hsl": {
"h": 2.051,
"s": 48.148,
"l": 47.647
},
"oklch": {
"l": 0.53773,
"c": 0.14798,
"h": 25.4
},
"luminance": 0.14076
}Semantic roles & 50–950 ramp
primary
#B4433F
secondary
#8AC3C5
accent
#D3D850
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150A08
muted
#837C7B