#1B0A3E#1B0A3E
#1B0A3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.0% C 0.092 H 291.3°. Best body text is #FFFFFF at 18.11:1 contrast (WCAG AA passes).
Color values
| HEX | #1B0A3E |
|---|---|
| RGB | rgb(27, 10, 62) |
| HSL | hsl(260, 72%, 14%) |
| HSV | hsv(260, 84%, 24%) |
| CMYK | cmyk(56.5%, 83.9%, 0%, 75.7%) |
| CIE-LAB | lab(7.21, 23.40, -29.82) |
| CIE-LCH | lch(7.21, 37.91, 308.12°) |
| OKLab | oklab(21.03% 0.0335 -0.0857) |
| OKLCH | oklch(21.03% 0.092 291.3) |
| XYZ | xyz(1.4298, 0.7978, 4.6352) |
| Luminance | 0.0080 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 4.85
Night Blue
#040348
ΔE00 4.91
Midnight Purple
#280137
ΔE00 5.03
Midnight Blue (survey)
#020035
ΔE00 5.47
Navy Blue (survey)
#001146
ΔE00 5.85
Very Dark Purple
#2A0134
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B0A3E #2D3E0A
analogous
#0A133E #1B0A3E #350A3E
triadic
#1B0A3E #3E1B0A #0A3E1B
tetradic
#1B0A3E #3E0A13 #2D3E0A #0A3E35
square
#1B0A3E #3E0A13 #2D3E0A #0A3E35
split-complementary
#1B0A3E #3E350A #133E0A
monochromatic
#0B041A #0B041A #1B0A3E #321373 #491BA7
Accessibility & contrast
On white
18.11
#1B0A3E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.16
#1B0A3E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B0A3E
18.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B0A3E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B0A3E | 1.00 | 18.11 | 1.16 | 18.11 |
| #FFFFFF | 18.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001740
Deuteranopia (green-blind)
#00153D
Tritanopia (blue-blind)
#0F1823
Achromatopsia (no color)
#161616
Design tokens & code
CSS
--color: #1b0a3e; /* rgb */ color: rgb(27, 10, 62); /* oklch */ color: oklch(21.0% 0.092 291.3);
Tailwind
colors: {
custom: {
50: '#5c4b74',
500: '#1b0a3e',
950: '#000000',
},
}SCSS
$custom: #1b0a3e; $custom-light: #5c4b74; $custom-dark: #000000;
JSON
{
"hex": "#1b0a3e",
"rgb": {
"r": 27,
"g": 10,
"b": 62
},
"hsl": {
"h": 259.615,
"s": 72.222,
"l": 14.118
},
"oklch": {
"l": 0.21031,
"c": 0.09204,
"h": 291.3
},
"luminance": 0.00798
}Semantic roles & 50–950 ramp
primary
#1B0A3E
secondary
#607B28
accent
#EF39B3
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040108
muted
#79777B