#1B083F#1B083F
#1B083F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.096 H 291.5°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).
Color values
| HEX | #1B083F |
|---|---|
| RGB | rgb(27, 8, 63) |
| HSL | hsl(261, 77%, 14%) |
| HSV | hsv(261, 87%, 25%) |
| CMYK | cmyk(57.1%, 87.3%, 0%, 75.3%) |
| CIE-LAB | lab(6.91, 24.83, -31.02) |
| CIE-LCH | lch(6.91, 39.73, 308.68°) |
| OKLab | oklab(20.84% 0.0352 -0.0893) |
| OKLCH | oklch(20.84% 0.096 291.5) |
| XYZ | xyz(1.4358, 0.7655, 4.7738) |
| Luminance | 0.0077 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 4.38
Night Blue
#040348
ΔE00 4.54
Midnight Purple
#280137
ΔE00 4.89
Midnight Blue (survey)
#020035
ΔE00 5.69
Very Dark Purple
#2A0134
ΔE00 5.99
Navy Blue (survey)
#001146
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B083F #2C3F08
analogous
#08113F #1B083F #37083F
triadic
#1B083F #3F1B08 #083F1B
tetradic
#1B083F #3F0811 #2C3F08 #083F37
square
#1B083F #3F0811 #2C3F08 #083F37
split-complementary
#1B083F #3F3708 #113F08
monochromatic
#0C031B #0C031B #1B083F #320F75 #4A16AC
Accessibility & contrast
On white
18.21
#1B083F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.15
#1B083F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B083F
18.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B083F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B083F | 1.00 | 18.21 | 1.15 | 18.21 |
| #FFFFFF | 18.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001641
Deuteranopia (green-blind)
#00143E
Tritanopia (blue-blind)
#0F1723
Achromatopsia (no color)
#151515
Design tokens & code
CSS
--color: #1b083f; /* rgb */ color: rgb(27, 8, 63); /* oklch */ color: oklch(20.8% 0.096 291.5);
Tailwind
colors: {
custom: {
50: '#5c4a75',
500: '#1b083f',
950: '#000000',
},
}SCSS
$custom: #1b083f; $custom-light: #5c4a75; $custom-dark: #000000;
JSON
{
"hex": "#1b083f",
"rgb": {
"r": 27,
"g": 8,
"b": 63
},
"hsl": {
"h": 260.727,
"s": 77.465,
"l": 13.922
},
"oklch": {
"l": 0.20841,
"c": 0.09604,
"h": 291.5
},
"luminance": 0.00766
}Semantic roles & 50–950 ramp
primary
#1B083F
secondary
#5F7E25
accent
#F434B2
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040108
muted
#79777B