#AC283A#AC283A
#AC283A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.167 H 18.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).
Color values
| HEX | #AC283A |
|---|---|
| RGB | rgb(172, 40, 58) |
| HSL | hsl(352, 62%, 42%) |
| HSV | hsv(352, 77%, 67%) |
| CMYK | cmyk(0%, 76.7%, 66.3%, 32.5%) |
| CIE-LAB | lab(38.89, 53.36, 22.68) |
| CIE-LCH | lch(38.89, 57.98, 23.03°) |
| OKLab | oklab(49.4% 0.1583 0.0539) |
| OKLCH | oklch(49.4% 0.167 18.8) |
| XYZ | xyz(18.5378, 10.5965, 5.0714) |
| Luminance | 0.1059 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rouge
#AB1239
ΔE00 3.02
Rose Red
#BE013C
ΔE00 3.70
Lipstick Red
#C0022F
ΔE00 4.44
Cardinal
#C41E3A
ΔE00 4.53
Brown
#A52A2A
ΔE00 5.13
Ruby
#CA0147
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC283A #28AC9A
analogous
#AC287C #AC283A #AC5828
triadic
#AC283A #3AAC28 #283AAC
tetradic
#AC283A #7CAC28 #28AC9A #5828AC
square
#AC283A #7CAC28 #28AC9A #5828AC
split-complementary
#AC283A #28AC58 #287CAC
monochromatic
#491119 #7A1C29 #AC283A #D23F53 #DE717F
Accessibility & contrast
On white
6.73
#AC283A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.12
#AC283A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC283A
6.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC283A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC283A | 1.00 | 6.73 | 3.12 | 6.73 |
| #FFFFFF | 6.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E4A3A
Deuteranopia (green-blind)
#6F6636
Tritanopia (blue-blind)
#BD0030
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #ac283a; /* rgb */ color: rgb(172, 40, 58); /* oklch */ color: oklch(49.4% 0.167 18.8);
Tailwind
colors: {
custom: {
50: '#cc6e70',
500: '#ac283a',
950: '#000000',
},
}SCSS
$custom: #ac283a; $custom-light: #cc6e70; $custom-dark: #000000;
JSON
{
"hex": "#ac283a",
"rgb": {
"r": 172,
"g": 40,
"b": 58
},
"hsl": {
"h": 351.818,
"s": 62.264,
"l": 41.569
},
"oklch": {
"l": 0.49402,
"c": 0.16721,
"h": 18.8
},
"luminance": 0.10594
}Semantic roles & 50–950 ramp
primary
#AC283A
secondary
#6BC5B9
accent
#E5CF42
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150807
muted
#837B7A