#B33040#B33040
#B33040 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.167 H 18.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #B33040 |
|---|---|
| RGB | rgb(179, 48, 64) |
| HSL | hsl(353, 58%, 45%) |
| HSV | hsv(353, 73%, 70%) |
| CMYK | cmyk(0%, 73.2%, 64.2%, 29.8%) |
| CIE-LAB | lab(41.33, 53.11, 22.33) |
| CIE-LCH | lch(41.33, 57.62, 22.80°) |
| OKLab | oklab(51.49% 0.1578 0.0535) |
| OKLCH | oklch(51.49% 0.167 18.7) |
| XYZ | xyz(20.5749, 12.0708, 6.0960) |
| Luminance | 0.1207 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.36
Rose Red
#BE013C
ΔE00 3.74
Lipstick Red
#C0022F
ΔE00 4.49
Rouge
#AB1239
ΔE00 4.62
Dull Red
#BB3F3F
ΔE00 4.92
Dusty Red
#B9484E
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33040 #30B3A3
analogous
#B33081 #B33040 #B36230
triadic
#B33040 #40B330 #3040B3
tetradic
#B33040 #81B330 #30B3A3 #6230B3
square
#B33040 #81B330 #30B3A3 #6230B3
split-complementary
#B33040 #30B362 #3081B3
monochromatic
#52161D #83232F #B33040 #D05060 #DD808C
Accessibility & contrast
On white
6.15
#B33040 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.41
#B33040 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33040
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33040 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33040 | 1.00 | 6.15 | 3.41 | 6.15 |
| #FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#545040
Deuteranopia (green-blind)
#756C3C
Tritanopia (blue-blind)
#C40037
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b33040; /* rgb */ color: rgb(179, 48, 64); /* oklch */ color: oklch(51.5% 0.167 18.7);
Tailwind
colors: {
custom: {
50: '#d17274',
500: '#b33040',
950: '#000000',
},
}SCSS
$custom: #b33040; $custom-light: #d17274; $custom-dark: #000000;
JSON
{
"hex": "#b33040",
"rgb": {
"r": 179,
"g": 48,
"b": 64
},
"hsl": {
"h": 352.672,
"s": 57.709,
"l": 44.51
},
"oklch": {
"l": 0.51489,
"c": 0.16664,
"h": 18.7
},
"luminance": 0.12068
}Semantic roles & 50–950 ramp
primary
#B33040
secondary
#79C6BD
accent
#E1CE47
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B