#BB2523#BB2523
#BB2523 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.6% C 0.186 H 27.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).
Color values
| HEX | #BB2523 |
|---|---|
| RGB | rgb(187, 37, 35) |
| HSL | hsl(1, 68%, 44%) |
| HSV | hsv(1, 81%, 73%) |
| CMYK | cmyk(0%, 80.2%, 81.3%, 26.7%) |
| CIE-LAB | lab(41.24, 57.76, 39.80) |
| CIE-LCH | lch(41.24, 70.14, 34.57°) |
| OKLab | oklab(51.57% 0.1653 0.0853) |
| OKLCH | oklch(51.57% 0.186 27.3) |
| XYZ | xyz(21.4611, 12.0128, 2.7785) |
| Luminance | 0.1201 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.03
Scarlet
#BE0119
ΔE00 2.29
Brown
#A52A2A
ΔE00 4.83
Brick
#A03623
ΔE00 5.56
Lipstick Red
#C0022F
ΔE00 5.70
Dull Red
#BB3F3F
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB2523 #23B9BB
analogous
#BB236D #BB2523 #BB7123
triadic
#BB2523 #23BB25 #2523BB
tetradic
#BB2523 #6DBB23 #23B9BB #7123BB
square
#BB2523 #6DBB23 #23B9BB #7123BB
split-complementary
#BB2523 #23BB71 #236DBB
monochromatic
#541110 #871B19 #BB2523 #DB4240 #E57574
Accessibility & contrast
On white
6.17
#BB2523 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#BB2523 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB2523
6.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB2523 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB2523 | 1.00 | 6.17 | 3.40 | 6.17 |
| #FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554C21
Deuteranopia (green-blind)
#7A6D1B
Tritanopia (blue-blind)
#CE0027
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #bb2523; /* rgb */ color: rgb(187, 37, 35); /* oklch */ color: oklch(51.6% 0.186 27.3);
Tailwind
colors: {
custom: {
50: '#d96e5f',
500: '#bb2523',
950: '#000000',
},
}SCSS
$custom: #bb2523; $custom-light: #d96e5f; $custom-dark: #000000;
JSON
{
"hex": "#bb2523",
"rgb": {
"r": 187,
"g": 37,
"b": 35
},
"hsl": {
"h": 0.789,
"s": 68.468,
"l": 43.529
},
"oklch": {
"l": 0.51573,
"c": 0.18603,
"h": 27.3
},
"luminance": 0.12009
}Semantic roles & 50–950 ramp
primary
#BB2523
secondary
#6ECBCC
accent
#E9EB3C
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#170804
muted
#857B79