#A42523#A42523
#A42523 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.164 H 26.8°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).
Color values
| HEX | #A42523 |
|---|---|
| RGB | rgb(164, 37, 35) |
| HSL | hsl(1, 65%, 39%) |
| HSV | hsv(1, 79%, 64%) |
| CMYK | cmyk(0%, 77.4%, 78.7%, 35.7%) |
| CIE-LAB | lab(36.63, 50.81, 33.63) |
| CIE-LCH | lch(36.63, 60.93, 33.50°) |
| OKLab | oklab(47.33% 0.1462 0.0738) |
| OKLCH | oklch(47.33% 0.164 26.8) |
| XYZ | xyz(16.2767, 9.3396, 2.5355) |
| Luminance | 0.0934 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 1.57
Firebrick
#B22222
ΔE00 2.72
Carmine
#9D0216
ΔE00 3.75
Brick
#A03623
ΔE00 4.13
Brownish Red
#9E3623
ΔE00 4.16
Darkish Red
#A90308
ΔE00 4.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A42523 #23A2A4
analogous
#A42362 #A42523 #A46623
triadic
#A42523 #23A425 #2523A4
tetradic
#A42523 #62A423 #23A2A4 #6623A4
square
#A42523 #62A423 #23A2A4 #6623A4
split-complementary
#A42523 #23A466 #2362A4
monochromatic
#3F0E0D #721A18 #A42523 #D33431 #DE6564
Accessibility & contrast
On white
7.32
#A42523 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.87
#A42523 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A42523
7.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A42523 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A42523 | 1.00 | 7.32 | 2.87 | 7.32 |
| #FFFFFF | 7.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C4521
Deuteranopia (green-blind)
#6B601E
Tritanopia (blue-blind)
#B50026
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #a42523; /* rgb */ color: rgb(164, 37, 35); /* oklch */ color: oklch(47.3% 0.164 26.8);
Tailwind
colors: {
custom: {
50: '#c86b5e',
500: '#a42523',
950: '#000000',
},
}SCSS
$custom: #a42523; $custom-light: #c86b5e; $custom-dark: #000000;
JSON
{
"hex": "#a42523",
"rgb": {
"r": 164,
"g": 37,
"b": 35
},
"hsl": {
"h": 0.93,
"s": 64.824,
"l": 39.02
},
"oklch": {
"l": 0.47331,
"c": 0.16374,
"h": 26.8
},
"luminance": 0.09337
}Semantic roles & 50–950 ramp
primary
#A42523
secondary
#60C2C3
accent
#E5E840
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150704
muted
#837A79