#A03E21#A03E21
#A03E21 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.4% C 0.137 H 36.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).
Color values
| HEX | #A03E21 |
|---|---|
| RGB | rgb(160, 62, 33) |
| HSL | hsl(14, 66%, 38%) |
| HSV | hsv(14, 79%, 63%) |
| CMYK | cmyk(0%, 61.2%, 79.4%, 37.3%) |
| CIE-LAB | lab(39.63, 39.11, 37.60) |
| CIE-LCH | lch(39.63, 54.25, 43.88°) |
| OKLab | oklab(49.44% 0.1097 0.0822) |
| OKLCH | oklch(49.44% 0.137 36.8) |
| XYZ | xyz(16.4961, 11.0309, 2.6991) |
| Luminance | 0.1103 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.04
Brownish Red
#9E3623
ΔE00 3.10
Rusty Red
#AF2F0D
ΔE00 4.03
Rust (survey)
#A83C09
ΔE00 4.49
Russet
#A13905
ΔE00 4.58
Rust Red
#AA2704
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A03E21 #2183A0
analogous
#A02143 #A03E21 #A07D21
triadic
#A03E21 #21A03E #3E21A0
tetradic
#A03E21 #43A021 #2183A0 #7D21A0
square
#A03E21 #43A021 #2183A0 #7D21A0
split-complementary
#A03E21 #21A07D #2143A0
monochromatic
#3B170C #6D2A17 #A03E21 #D3522B #DE7B5E
Accessibility & contrast
On white
6.55
#A03E21 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.21
#A03E21 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A03E21
6.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A03E21 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A03E21 | 1.00 | 6.55 | 3.21 | 6.55 |
| #FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A501D
Deuteranopia (green-blind)
#72661E
Tritanopia (blue-blind)
#B02638
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #a03e21; /* rgb */ color: rgb(160, 62, 33); /* oklch */ color: oklch(49.4% 0.137 36.8);
Tailwind
colors: {
custom: {
50: '#c4775e',
500: '#a03e21',
950: '#000000',
},
}SCSS
$custom: #a03e21; $custom-light: #c4775e; $custom-dark: #000000;
JSON
{
"hex": "#a03e21",
"rgb": {
"r": 160,
"g": 62,
"b": 33
},
"hsl": {
"h": 13.701,
"s": 65.803,
"l": 37.843
},
"oklch": {
"l": 0.49439,
"c": 0.1371,
"h": 36.8
},
"luminance": 0.11029
}Semantic roles & 50–950 ramp
primary
#A03E21
secondary
#5BABC2
accent
#C2E93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79