#AD2C31#AD2C31
#AD2C31 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.8% C 0.165 H 23.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).
Color values
| HEX | #AD2C31 |
|---|---|
| RGB | rgb(173, 44, 49) |
| HSL | hsl(358, 59%, 43%) |
| HSV | hsv(358, 75%, 68%) |
| CMYK | cmyk(0%, 74.6%, 71.7%, 32.2%) |
| CIE-LAB | lab(39.43, 51.84, 28.93) |
| CIE-LCH | lch(39.43, 59.37, 29.17°) |
| OKLab | oklab(49.79% 0.1514 0.0664) |
| OKLCH | oklch(49.79% 0.165 23.7) |
| XYZ | xyz(18.6907, 10.9102, 4.0269) |
| Luminance | 0.1091 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.21
Firebrick
#B22222
ΔE00 3.68
Lipstick Red
#C0022F
ΔE00 3.96
Cardinal
#C41E3A
ΔE00 4.85
Dull Red
#BB3F3F
ΔE00 5.02
Scarlet
#BE0119
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AD2C31 #2CADA8
analogous
#AD2C72 #AD2C31 #AD672C
triadic
#AD2C31 #31AD2C #2C31AD
tetradic
#AD2C31 #72AD2C #2CADA8 #672CAD
square
#AD2C31 #72AD2C #2CADA8 #672CAD
split-complementary
#AD2C31 #2CAD67 #2C72AD
monochromatic
#4B1315 #7C2023 #AD2C31 #D0464C #DC777B
Accessibility & contrast
On white
6.60
#AD2C31 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.18
#AD2C31 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AD2C31
6.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AD2C31 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AD2C31 | 1.00 | 6.60 | 3.18 | 6.60 |
| #FFFFFF | 6.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524B30
Deuteranopia (green-blind)
#72672D
Tritanopia (blue-blind)
#BE002F
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #ad2c31; /* rgb */ color: rgb(173, 44, 49); /* oklch */ color: oklch(49.8% 0.165 23.7);
Tailwind
colors: {
custom: {
50: '#cd6f69',
500: '#ad2c31',
950: '#000000',
},
}SCSS
$custom: #ad2c31; $custom-light: #cd6f69; $custom-dark: #000000;
JSON
{
"hex": "#ad2c31",
"rgb": {
"r": 173,
"g": 44,
"b": 49
},
"hsl": {
"h": 357.674,
"s": 59.447,
"l": 42.549
},
"oklch": {
"l": 0.49789,
"c": 0.16527,
"h": 23.7
},
"luminance": 0.10907
}Semantic roles & 50–950 ramp
primary
#AD2C31
secondary
#71C4C1
accent
#E3DD45
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150806
muted
#837B7A