#A03B23#A03B23
#A03B23 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.139 H 34.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #A03B23 |
|---|---|
| RGB | rgb(160, 59, 35) |
| HSL | hsl(12, 64%, 38%) |
| HSV | hsv(12, 78%, 63%) |
| CMYK | cmyk(0%, 63.1%, 78.1%, 37.3%) |
| CIE-LAB | lab(39.11, 40.61, 36.00) |
| CIE-LCH | lch(39.11, 54.27, 41.56°) |
| OKLab | oklab(49.05% 0.1148 0.0793) |
| OKLCH | oklch(49.05% 0.139 34.6) |
| XYZ | xyz(16.3663, 10.7252, 2.7981) |
| Luminance | 0.1072 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 1.58
Brownish Red
#9E3623
ΔE00 1.68
Rusty Red
#AF2F0D
ΔE00 4.27
Rust Red
#AA2704
ΔE00 4.76
Burnt Red
#9F2305
ΔE00 4.96
Red Brown
#8B2E16
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A03B23 #2388A0
analogous
#A02349 #A03B23 #A07923
triadic
#A03B23 #23A03B #3B23A0
tetradic
#A03B23 #49A023 #2388A0 #7923A0
square
#A03B23 #49A023 #2388A0 #7923A0
split-complementary
#A03B23 #23A079 #2349A0
monochromatic
#3C160D #6E2818 #A03B23 #D14E2F #DC7961
Accessibility & contrast
On white
6.68
#A03B23 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#A03B23 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A03B23
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A03B23 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A03B23 | 1.00 | 6.68 | 3.14 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#574E20
Deuteranopia (green-blind)
#70641F
Tritanopia (blue-blind)
#B02236
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a03b23; /* rgb */ color: rgb(160, 59, 35); /* oklch */ color: oklch(49.1% 0.139 34.6);
Tailwind
colors: {
custom: {
50: '#c4755f',
500: '#a03b23',
950: '#000000',
},
}SCSS
$custom: #a03b23; $custom-light: #c4755f; $custom-dark: #000000;
JSON
{
"hex": "#a03b23",
"rgb": {
"r": 160,
"g": 59,
"b": 35
},
"hsl": {
"h": 11.52,
"s": 64.103,
"l": 38.235
},
"oklch": {
"l": 0.49054,
"c": 0.13948,
"h": 34.6
},
"luminance": 0.10723
}Semantic roles & 50–950 ramp
primary
#A03B23
secondary
#5DAEC1
accent
#C7E741
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140905
muted
#837B79