#1B0F4A#1B0F4A
#1B0F4A is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.1% C 0.102 H 284.3°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).
Color values
| HEX | #1B0F4A |
|---|---|
| RGB | rgb(27, 15, 74) |
| HSL | hsl(252, 66%, 17%) |
| HSV | hsv(252, 80%, 29%) |
| CMYK | cmyk(63.5%, 79.7%, 0%, 71%) |
| CIE-LAB | lab(9.55, 24.56, -34.45) |
| CIE-LCH | lch(9.55, 42.31, 305.49°) |
| OKLab | oklab(23.1% 0.0254 -0.0992) |
| OKLCH | oklch(23.1% 0.102 284.3) |
| XYZ | xyz(1.8585, 1.0690, 6.5856) |
| Luminance | 0.0107 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 3.04
Night Blue
#040348
ΔE00 3.72
Navy Blue (survey)
#001146
ΔE00 4.49
Midnight Blue (survey)
#020035
ΔE00 5.74
Dark Blue
#00035B
ΔE00 5.79
Dark Navy
#000435
ΔE00 6.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B0F4A #3E4A0F
analogous
#0F214A #1B0F4A #380F4A
triadic
#1B0F4A #4A1B0F #0F4A1B
tetradic
#1B0F4A #4A0F21 #3E4A0F #0F4A38
square
#1B0F4A #4A0F21 #3E4A0F #0F4A38
split-complementary
#1B0F4A #4A380F #214A0F
monochromatic
#090519 #090519 #1B0F4A #2E197D #4024B0
Accessibility & contrast
On white
17.30
#1B0F4A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.21
#1B0F4A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B0F4A
17.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B0F4A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B0F4A | 1.00 | 17.30 | 1.21 | 17.30 |
| #FFFFFF | 17.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C4C
Deuteranopia (green-blind)
#001949
Tritanopia (blue-blind)
#041F2B
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #1b0f4a; /* rgb */ color: rgb(27, 15, 74); /* oklch */ color: oklch(23.1% 0.102 284.3);
Tailwind
colors: {
custom: {
50: '#5e4e7d',
500: '#1b0f4a',
950: '#000000',
},
}SCSS
$custom: #1b0f4a; $custom-light: #5e4e7d; $custom-dark: #000000;
JSON
{
"hex": "#1b0f4a",
"rgb": {
"r": 27,
"g": 15,
"b": 74
},
"hsl": {
"h": 252.203,
"s": 66.292,
"l": 17.451
},
"oklch": {
"l": 0.23104,
"c": 0.10238,
"h": 284.3
},
"luminance": 0.01069
}Semantic roles & 50–950 ramp
primary
#1B0F4A
secondary
#738430
accent
#E93FC7
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05020A
muted
#79787C