#A64837#A64837
#A64837 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.1% C 0.128 H 32.1°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).
Color values
| HEX | #A64837 |
|---|---|
| RGB | rgb(166, 72, 55) |
| HSL | hsl(9, 50%, 43%) |
| HSV | hsv(9, 67%, 65%) |
| CMYK | cmyk(0%, 56.6%, 66.9%, 34.9%) |
| CIE-LAB | lab(42.79, 37.57, 29.08) |
| CIE-LCH | lch(42.79, 47.51, 37.75°) |
| OKLab | oklab(52.11% 0.1086 0.068) |
| OKLCH | oklch(52.11% 0.128 32.1) |
| XYZ | xyz(18.7346, 13.0199, 5.1402) |
| Luminance | 0.1302 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.76
Brownish Red
#9E3623
ΔE00 4.92
Dull Red
#BB3F3F
ΔE00 5.97
Brown
#A52A2A
ΔE00 6.66
Firebrick
#B22222
ΔE00 6.84
Reddish
#C44240
ΔE00 6.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A64837 #3795A6
analogous
#A6375D #A64837 #A67F37
triadic
#A64837 #37A648 #4837A6
tetradic
#A64837 #5DA637 #3795A6 #7F37A6
square
#A64837 #5DA637 #3795A6 #7F37A6
split-complementary
#A64837 #37A67F #375DA6
monochromatic
#4A2019 #783428 #A64837 #C66554 #D68F82
Accessibility & contrast
On white
5.83
#A64837 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.60
#A64837 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A64837
5.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A64837 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A64837 | 1.00 | 5.83 | 3.60 | 5.83 |
| #FFFFFF | 5.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615835
Deuteranopia (green-blind)
#786D35
Tritanopia (blue-blind)
#B63544
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #a64837; /* rgb */ color: rgb(166, 72, 55); /* oklch */ color: oklch(52.1% 0.128 32.1);
Tailwind
colors: {
custom: {
50: '#c67e6e',
500: '#a64837',
950: '#000000',
},
}SCSS
$custom: #a64837; $custom-light: #c67e6e; $custom-dark: #000000;
JSON
{
"hex": "#a64837",
"rgb": {
"r": 166,
"g": 72,
"b": 55
},
"hsl": {
"h": 9.189,
"s": 50.226,
"l": 43.333
},
"oklch": {
"l": 0.5211,
"c": 0.1281,
"h": 32.1
},
"luminance": 0.13018
}Semantic roles & 50–950 ramp
primary
#A64837
secondary
#7AB4BF
accent
#C4DA4E
background
#FCF7F6
surface
#F9EEEC
border
#D2C9C7
text
#140A07
muted
#827C7A