#B1572B#B1572B
#B1572B is a mid, vivid orange. Relative luminance 0.163; OKLCH L 55.9% C 0.131 H 44.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).
Color values
| HEX | #B1572B |
|---|---|
| RGB | rgb(177, 87, 43) |
| HSL | hsl(20, 61%, 43%) |
| HSV | hsv(20, 76%, 69%) |
| CMYK | cmyk(0%, 50.8%, 75.7%, 30.6%) |
| CIE-LAB | lab(47.42, 33.54, 41.33) |
| CIE-LCH | lch(47.42, 53.23, 50.94°) |
| OKLab | oklab(55.93% 0.0929 0.0917) |
| OKLCH | oklch(55.93% 0.131 44.6) |
| XYZ | xyz(21.9778, 16.3406, 4.2817) |
| Luminance | 0.1634 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 3.73
Burnt Sienna
#B04E0F
ΔE00 4.02
Sienna
#A0522D
ΔE00 4.10
Brick Orange
#C14A09
ΔE00 4.83
Burnt Siena
#B75203
ΔE00 5.16
Burnt Orange
#C04E01
ΔE00 5.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1572B #2B85B1
analogous
#B12B42 #B1572B #B19A2B
triadic
#B1572B #2BB157 #572BB1
tetradic
#B1572B #42B12B #2B85B1 #9A2BB1
square
#B1572B #42B12B #2B85B1 #9A2BB1
split-complementary
#B1572B #2BB19A #2B42B1
monochromatic
#4F2713 #803F1F #B1572B #D27547 #DE9A78
Accessibility & contrast
On white
4.92
#B1572B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.27
#B1572B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1572B
4.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1572B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1572B | 1.00 | 4.92 | 4.27 | 4.92 |
| #FFFFFF | 4.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#706426
Deuteranopia (green-blind)
#867829
Tritanopia (blue-blind)
#C2444E
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #b1572b; /* rgb */ color: rgb(177, 87, 43); /* oklch */ color: oklch(55.9% 0.131 44.6);
Tailwind
colors: {
custom: {
50: '#cf8867',
500: '#b1572b',
950: '#000000',
},
}SCSS
$custom: #b1572b; $custom-light: #cf8867; $custom-dark: #000000;
JSON
{
"hex": "#b1572b",
"rgb": {
"r": 177,
"g": 87,
"b": 43
},
"hsl": {
"h": 19.701,
"s": 60.909,
"l": 43.137
},
"oklch": {
"l": 0.55926,
"c": 0.13054,
"h": 44.6
},
"luminance": 0.16338
}Semantic roles & 50–950 ramp
primary
#B1572B
secondary
#72AAC6
accent
#AFE444
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A