#AC4031#AC4031
#AC4031 is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.145 H 30.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).
Color values
| HEX | #AC4031 |
|---|---|
| RGB | rgb(172, 64, 49) |
| HSL | hsl(7, 56%, 43%) |
| HSV | hsv(7, 72%, 67%) |
| CMYK | cmyk(0%, 62.8%, 71.5%, 32.5%) |
| CIE-LAB | lab(42.25, 43.33, 32.18) |
| CIE-LCH | lch(42.25, 53.97, 36.60°) |
| OKLab | oklab(51.87% 0.1247 0.0735) |
| OKLCH | oklch(51.87% 0.145 30.5) |
| XYZ | xyz(19.4030, 12.6619, 4.3274) |
| Luminance | 0.1266 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.90
Brownish Red
#9E3623
ΔE00 4.18
Firebrick
#B22222
ΔE00 4.84
Dull Red
#BB3F3F
ΔE00 5.10
Brown
#A52A2A
ΔE00 5.26
Reddish
#C44240
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC4031 #319DAC
analogous
#AC315F #AC4031 #AC7D31
triadic
#AC4031 #31AC40 #4031AC
tetradic
#AC4031 #5FAC31 #319DAC #7D31AC
square
#AC4031 #5FAC31 #319DAC #7D31AC
split-complementary
#AC4031 #31AC7D #315FAC
monochromatic
#4D1D16 #7C2E23 #AC4031 #CC5D4E #DA897D
Accessibility & contrast
On white
5.95
#AC4031 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.53
#AC4031 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC4031
5.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC4031 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC4031 | 1.00 | 5.95 | 3.53 | 5.95 |
| #FFFFFF | 5.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D552F
Deuteranopia (green-blind)
#786D2E
Tritanopia (blue-blind)
#BD273D
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #ac4031; /* rgb */ color: rgb(172, 64, 49); /* oklch */ color: oklch(51.9% 0.145 30.5);
Tailwind
colors: {
custom: {
50: '#cc7a6a',
500: '#ac4031',
950: '#000000',
},
}SCSS
$custom: #ac4031; $custom-light: #cc7a6a; $custom-dark: #000000;
JSON
{
"hex": "#ac4031",
"rgb": {
"r": 172,
"g": 64,
"b": 49
},
"hsl": {
"h": 7.317,
"s": 55.656,
"l": 43.333
},
"oklch": {
"l": 0.51868,
"c": 0.14475,
"h": 30.5
},
"luminance": 0.12659
}Semantic roles & 50–950 ramp
primary
#AC4031
secondary
#76B9C3
accent
#CDDF49
background
#FDF7F6
surface
#FAEEEB
border
#D3C9C6
text
#150906
muted
#837B7A