#AC2B25#AC2B25
#AC2B25 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.167 H 27.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).
Color values
| HEX | #AC2B25 |
|---|---|
| RGB | rgb(172, 43, 37) |
| HSL | hsl(3, 65%, 41%) |
| HSV | hsv(3, 78%, 67%) |
| CMYK | cmyk(0%, 75%, 78.5%, 32.5%) |
| CIE-LAB | lab(38.96, 51.37, 35.42) |
| CIE-LCH | lch(38.96, 62.40, 34.58°) |
| OKLab | oklab(49.36% 0.1474 0.0777) |
| OKLCH | oklch(49.36% 0.167 27.8) |
| XYZ | xyz(18.2132, 10.6348, 2.8436) |
| Luminance | 0.1063 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 1.35
Brown
#A52A2A
ΔE00 2.49
Brick
#A03623
ΔE00 3.56
Brownish Red
#9E3623
ΔE00 3.79
Scarlet
#BE0119
ΔE00 3.79
Darkish Red
#A90308
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC2B25 #25A6AC
analogous
#AC2562 #AC2B25 #AC6E25
triadic
#AC2B25 #25AC2B #2B25AC
tetradic
#AC2B25 #62AC25 #25A6AC #6E25AC
square
#AC2B25 #62AC25 #25A6AC #6E25AC
split-complementary
#AC2B25 #25AC6E #2562AC
monochromatic
#47120F #7A1E1A #AC2B25 #D5413A #DF716C
Accessibility & contrast
On white
6.72
#AC2B25 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.13
#AC2B25 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC2B25
6.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC2B25 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC2B25 | 1.00 | 6.72 | 3.13 | 6.72 |
| #FFFFFF | 6.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524A23
Deuteranopia (green-blind)
#726620
Tritanopia (blue-blind)
#BE002B
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #ac2b25; /* rgb */ color: rgb(172, 43, 37); /* oklch */ color: oklch(49.4% 0.167 27.8);
Tailwind
colors: {
custom: {
50: '#ce6f60',
500: '#ac2b25',
950: '#000000',
},
}SCSS
$custom: #ac2b25; $custom-light: #ce6f60; $custom-dark: #000000;
JSON
{
"hex": "#ac2b25",
"rgb": {
"r": 172,
"g": 43,
"b": 37
},
"hsl": {
"h": 2.667,
"s": 64.593,
"l": 40.98
},
"oklch": {
"l": 0.49356,
"c": 0.16661,
"h": 27.8
},
"luminance": 0.10632
}Semantic roles & 50–950 ramp
primary
#AC2B25
secondary
#67C1C6
accent
#E0E840
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150805
muted
#837B79