#A64528#A64528
#A64528 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.5% C 0.135 H 37.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #A64528 |
|---|---|
| RGB | rgb(166, 69, 40) |
| HSL | hsl(14, 61%, 40%) |
| HSV | hsv(14, 76%, 65%) |
| CMYK | cmyk(0%, 58.4%, 75.9%, 34.9%) |
| CIE-LAB | lab(42.03, 38.27, 36.68) |
| CIE-LCH | lch(42.03, 53.01, 43.79°) |
| OKLab | oklab(51.47% 0.1079 0.0817) |
| OKLCH | oklch(51.47% 0.135 37.1) |
| XYZ | xyz(18.2389, 12.5189, 3.4630) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.34
Brownish Red
#9E3623
ΔE00 4.51
Sienna
#A0522D
ΔE00 4.74
Rusty Red
#AF2F0D
ΔE00 4.78
Rust (survey)
#A83C09
ΔE00 4.87
Rust
#B7410E
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A64528 #2889A6
analogous
#A6284A #A64528 #A68428
triadic
#A64528 #28A645 #4528A6
tetradic
#A64528 #4AA628 #2889A6 #8428A6
square
#A64528 #4AA628 #2889A6 #8428A6
split-complementary
#A64528 #28A684 #284AA6
monochromatic
#431C10 #75311C #A64528 #D05E3B #DC866D
Accessibility & contrast
On white
5.99
#A64528 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#A64528 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A64528
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A64528 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A64528 | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#605624
Deuteranopia (green-blind)
#786B25
Tritanopia (blue-blind)
#B62F3F
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #a64528; /* rgb */ color: rgb(166, 69, 40); /* oklch */ color: oklch(51.5% 0.135 37.1);
Tailwind
colors: {
custom: {
50: '#c77c63',
500: '#a64528',
950: '#000000',
},
}SCSS
$custom: #a64528; $custom-light: #c77c63; $custom-dark: #000000;
JSON
{
"hex": "#a64528",
"rgb": {
"r": 166,
"g": 69,
"b": 40
},
"hsl": {
"h": 13.81,
"s": 61.165,
"l": 40.392
},
"oklch": {
"l": 0.51472,
"c": 0.13529,
"h": 37.1
},
"luminance": 0.12516
}Semantic roles & 50–950 ramp
primary
#A64528
secondary
#67ADC2
accent
#BFE444
background
#FDF7F6
surface
#FAEEEB
border
#D3C9C6
text
#140A05
muted
#837C7A