#2A100A#2A100A
#2A100A is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.2% C 0.045 H 34.2°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2A100A |
|---|---|
| RGB | rgb(42, 16, 10) |
| HSL | hsl(11, 62%, 10%) |
| HSV | hsv(11, 76%, 16%) |
| CMYK | cmyk(0%, 61.9%, 76.2%, 83.5%) |
| CIE-LAB | lab(7.99, 12.85, 8.13) |
| CIE-LCH | lch(7.99, 15.20, 32.34°) |
| OKLab | oklab(21.17% 0.0373 0.0254) |
| OKLCH | oklch(21.17% 0.045 34.2) |
| XYZ | xyz(1.1950, 0.8849, 0.3950) |
| Luminance | 0.0089 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Very Dark Brown
#1D0200
ΔE00 4.69
Dark Maroon
#3C0008
ΔE00 9.23
Deep Brown
#410200
ΔE00 9.39
Chocolate Brown
#411900
ΔE00 9.44
Chocolate (survey)
#3D1C02
ΔE00 9.51
Dark Brown
#341C02
ΔE00 9.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A100A #0A242A
analogous
#2A0A14 #2A100A #2A200A
triadic
#2A100A #0A2A10 #100A2A
tetradic
#2A100A #142A0A #0A242A #200A2A
square
#2A100A #142A0A #0A242A #200A2A
split-complementary
#2A100A #0A2A20 #0A142A
monochromatic
#190906 #190906 #2A100A #5B2316 #8D3622
Accessibility & contrast
On white
17.84
#2A100A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#2A100A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A100A
17.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A100A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A100A | 1.00 | 17.84 | 1.18 | 17.84 |
| #FFFFFF | 17.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#171409
Deuteranopia (green-blind)
#1D1A0A
Tritanopia (blue-blind)
#2F0B0F
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #2a100a; /* rgb */ color: rgb(42, 16, 10); /* oklch */ color: oklch(21.2% 0.045 34.2);
Tailwind
colors: {
custom: {
50: '#654e4b',
500: '#2a100a',
950: '#000000',
},
}SCSS
$custom: #2a100a; $custom-light: #654e4b; $custom-dark: #000000;
JSON
{
"hex": "#2a100a",
"rgb": {
"r": 42,
"g": 16,
"b": 10
},
"hsl": {
"h": 11.25,
"s": 61.538,
"l": 10.196
},
"oklch": {
"l": 0.21169,
"c": 0.04511,
"h": 34.2
},
"luminance": 0.00885
}Semantic roles & 50–950 ramp
primary
#2A100A
secondary
#295B67
accent
#C6E543
background
#F6F4F4
surface
#EBE7E7
border
#C6C3C3
text
#060101
muted
#7A7777