#A13639#A13639
#A13639 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.142 H 22.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #A13639 |
|---|---|
| RGB | rgb(161, 54, 57) |
| HSL | hsl(358, 50%, 42%) |
| HSV | hsv(358, 66%, 63%) |
| CMYK | cmyk(0%, 66.5%, 64.6%, 36.9%) |
| CIE-LAB | lab(38.75, 44.38, 22.69) |
| CIE-LCH | lch(38.75, 49.85, 27.08°) |
| OKLab | oklab(48.91% 0.1309 0.0542) |
| OKLCH | oklch(48.91% 0.142 22.5) |
| XYZ | xyz(16.7573, 10.5131, 5.0169) |
| Luminance | 0.1051 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.70
Rouge
#AB1239
ΔE00 5.78
Dull Red
#BB3F3F
ΔE00 6.06
Lipstick Red
#C0022F
ΔE00 6.31
Firebrick
#B22222
ΔE00 6.33
Cardinal
#C41E3A
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A13639 #36A19E
analogous
#A1366E #A13639 #A16936
triadic
#A13639 #39A136 #3639A1
tetradic
#A13639 #6EA136 #36A19E #6936A1
square
#A13639 #6EA136 #36A19E #6936A1
split-complementary
#A13639 #36A169 #366EA1
monochromatic
#451719 #732729 #A13639 #C45053 #D47E80
Accessibility & contrast
On white
6.77
#A13639 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.10
#A13639 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A13639
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A13639 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A13639 | 1.00 | 6.77 | 3.10 | 6.77 |
| #FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524D38
Deuteranopia (green-blind)
#6D6436
Tritanopia (blue-blind)
#B11D38
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #a13639; /* rgb */ color: rgb(161, 54, 57); /* oklch */ color: oklch(48.9% 0.142 22.5);
Tailwind
colors: {
custom: {
50: '#c3736f',
500: '#a13639',
950: '#000000',
},
}SCSS
$custom: #a13639; $custom-light: #c3736f; $custom-dark: #000000;
JSON
{
"hex": "#a13639",
"rgb": {
"r": 161,
"g": 54,
"b": 57
},
"hsl": {
"h": 358.318,
"s": 49.767,
"l": 42.157
},
"oklch": {
"l": 0.48909,
"c": 0.14169,
"h": 22.5
},
"luminance": 0.10511
}Semantic roles & 50–950 ramp
primary
#A13639
secondary
#76BDBB
accent
#D9D54F
background
#FCF7F6
surface
#F9EDEC
border
#D2C8C7
text
#140807
muted
#827B7A