#A03A1A#A03A1A
#A03A1A is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.8% C 0.142 H 37.1°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).
Color values
| HEX | #A03A1A |
|---|---|
| RGB | rgb(160, 58, 26) |
| HSL | hsl(14, 72%, 36%) |
| HSV | hsv(14, 84%, 63%) |
| CMYK | cmyk(0%, 63.8%, 83.8%, 37.3%) |
| CIE-LAB | lab(38.86, 40.76, 40.39) |
| CIE-LCH | lch(38.86, 57.38, 44.74°) |
| OKLab | oklab(48.84% 0.1136 0.086) |
| OKLCH | oklch(48.84% 0.142 37.1) |
| XYZ | xyz(16.1985, 10.5766, 2.1656) |
| Luminance | 0.1057 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.35
Brick
#A03623
ΔE00 3.45
Brownish Red
#9E3623
ΔE00 3.50
Russet
#A13905
ΔE00 3.63
Rust Red
#AA2704
ΔE00 3.69
Rust (survey)
#A83C09
ΔE00 3.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A03A1A #1A80A0
analogous
#A01A3D #A03A1A #A07D1A
triadic
#A03A1A #1AA03A #3A1AA0
tetradic
#A03A1A #3DA01A #1A80A0 #7D1AA0
square
#A03A1A #3DA01A #1A80A0 #7D1AA0
split-complementary
#A03A1A #1AA07D #1A3DA0
monochromatic
#371409 #6B2711 #A03A1A #D54D23 #E37452
Accessibility & contrast
On white
6.74
#A03A1A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.11
#A03A1A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A03A1A
6.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A03A1A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A03A1A | 1.00 | 6.74 | 3.11 | 6.74 |
| #FFFFFF | 6.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#574D15
Deuteranopia (green-blind)
#706415
Tritanopia (blue-blind)
#B01F34
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #a03a1a; /* rgb */ color: rgb(160, 58, 26); /* oklch */ color: oklch(48.8% 0.142 37.1);
Tailwind
colors: {
custom: {
50: '#c4755a',
500: '#a03a1a',
950: '#000000',
},
}SCSS
$custom: #a03a1a; $custom-light: #c4755a; $custom-dark: #000000;
JSON
{
"hex": "#a03a1a",
"rgb": {
"r": 160,
"g": 58,
"b": 26
},
"hsl": {
"h": 14.328,
"s": 72.043,
"l": 36.471
},
"oklch": {
"l": 0.48835,
"c": 0.14247,
"h": 37.1
},
"luminance": 0.10574
}Semantic roles & 50–950 ramp
primary
#A03A1A
secondary
#50A9C5
accent
#C3EF39
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79