#1C104A#1C104A
#1C104A is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.4% C 0.101 H 285.0°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).
Color values
| HEX | #1C104A |
|---|---|
| RGB | rgb(28, 16, 74) |
| HSL | hsl(252, 64%, 18%) |
| HSV | hsv(252, 78%, 29%) |
| CMYK | cmyk(62.2%, 78.4%, 0%, 71%) |
| CIE-LAB | lab(9.89, 24.10, -33.89) |
| CIE-LCH | lch(9.89, 41.59, 305.41°) |
| OKLab | oklab(23.37% 0.0261 -0.0975) |
| OKLCH | oklch(23.37% 0.101 285) |
| XYZ | xyz(1.8998, 1.1118, 6.5917) |
| Luminance | 0.0111 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 3.25
Night Blue
#040348
ΔE00 4.02
Navy Blue (survey)
#001146
ΔE00 4.52
Midnight Blue (survey)
#020035
ΔE00 5.82
Dark Blue
#00035B
ΔE00 6.07
Dark Navy
#000435
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C104A #3E4A10
analogous
#10214A #1C104A #39104A
triadic
#1C104A #4A1C10 #104A1C
tetradic
#1C104A #4A1021 #3E4A10 #104A39
square
#1C104A #4A1021 #3E4A10 #104A39
split-complementary
#1C104A #4A3910 #214A10
monochromatic
#0A0519 #0A0519 #1C104A #2F1B7C #4226AF
Accessibility & contrast
On white
17.18
#1C104A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#1C104A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C104A
17.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C104A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C104A | 1.00 | 17.18 | 1.22 | 17.18 |
| #FFFFFF | 17.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001D4C
Deuteranopia (green-blind)
#001949
Tritanopia (blue-blind)
#061F2B
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #1c104a; /* rgb */ color: rgb(28, 16, 74); /* oklch */ color: oklch(23.4% 0.101 285.0);
Tailwind
colors: {
custom: {
50: '#5f4f7d',
500: '#1c104a',
950: '#000000',
},
}SCSS
$custom: #1c104a; $custom-light: #5f4f7d; $custom-dark: #000000;
JSON
{
"hex": "#1c104a",
"rgb": {
"r": 28,
"g": 16,
"b": 74
},
"hsl": {
"h": 252.414,
"s": 64.444,
"l": 17.647
},
"oklch": {
"l": 0.2337,
"c": 0.10096,
"h": 285
},
"luminance": 0.01112
}Semantic roles & 50–950 ramp
primary
#1C104A
secondary
#738432
accent
#E740C5
background
#F5F4F7
surface
#EAE7EE
border
#C6C3C9
text
#05020A
muted
#79787C