#B1502A#B1502A
#B1502A is a mid, vivid orange. Relative luminance 0.153; OKLCH L 54.8% C 0.137 H 40.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #B1502A |
|---|---|
| RGB | rgb(177, 80, 42) |
| HSL | hsl(17, 62%, 43%) |
| HSV | hsv(17, 76%, 69%) |
| CMYK | cmyk(0%, 54.8%, 76.3%, 30.6%) |
| CIE-LAB | lab(45.98, 37.12, 40.34) |
| CIE-LCH | lch(45.98, 54.82, 47.38°) |
| OKLab | oklab(54.83% 0.1036 0.0894) |
| OKLCH | oklch(54.83% 0.137 40.8) |
| XYZ | xyz(21.4202, 15.2544, 4.0065) |
| Luminance | 0.1525 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.84
Rust
#B7410E
ΔE00 4.11
Burnt Sienna
#B04E0F
ΔE00 5.00
Brick Orange
#C14A09
ΔE00 5.09
Sienna (survey)
#A9561E
ΔE00 5.64
Rust (survey)
#A83C09
ΔE00 5.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1502A #2A8BB1
analogous
#B12A47 #B1502A #B1932A
triadic
#B1502A #2AB150 #502AB1
tetradic
#B1502A #47B12A #2A8BB1 #932AB1
square
#B1502A #47B12A #2A8BB1 #932AB1
split-complementary
#B1502A #2AB193 #2A47B1
monochromatic
#4E2313 #803A1E #B1502A #D36D45 #DF9477
Accessibility & contrast
On white
5.18
#B1502A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#B1502A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1502A
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1502A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1502A | 1.00 | 5.18 | 4.05 | 5.18 |
| #FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B6025
Deuteranopia (green-blind)
#837527
Tritanopia (blue-blind)
#C23B48
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #b1502a; /* rgb */ color: rgb(177, 80, 42); /* oklch */ color: oklch(54.8% 0.137 40.8);
Tailwind
colors: {
custom: {
50: '#cf8366',
500: '#b1502a',
950: '#000000',
},
}SCSS
$custom: #b1502a; $custom-light: #cf8366; $custom-dark: #000000;
JSON
{
"hex": "#b1502a",
"rgb": {
"r": 177,
"g": 80,
"b": 42
},
"hsl": {
"h": 16.889,
"s": 61.644,
"l": 42.941
},
"oklch": {
"l": 0.54828,
"c": 0.13682,
"h": 40.8
},
"luminance": 0.15252
}Semantic roles & 50–950 ramp
primary
#B1502A
secondary
#70AEC6
accent
#B7E543
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A