#1C1966#1C1966
#1C1966 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.129 H 275.7°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).
Color values
| HEX | #1C1966 |
|---|---|
| RGB | rgb(28, 25, 102) |
| HSL | hsl(242, 61%, 25%) |
| HSV | hsv(242, 75%, 40%) |
| CMYK | cmyk(72.5%, 75.5%, 0%, 60%) |
| CIE-LAB | lab(14.96, 28.41, -44.51) |
| CIE-LCH | lch(14.96, 52.80, 302.55°) |
| OKLab | oklab(27.9% 0.0129 -0.1286) |
| OKLCH | oklch(27.9% 0.129 275.7) |
| XYZ | xyz(3.2240, 1.9012, 12.7649) |
| Luminance | 0.0190 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.81
Darkblue (survey)
#030764
ΔE00 4.41
Dark Indigo
#1F0954
ΔE00 4.78
Dark Royal Blue
#02066F
ΔE00 4.94
Dark Blue
#00035B
ΔE00 5.43
Deep Blue
#040273
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C1966 #636619
analogous
#193C66 #1C1966 #431966
triadic
#1C1966 #661C19 #19661C
tetradic
#1C1966 #66193C #636619 #196643
square
#1C1966 #66193C #636619 #196643
split-complementary
#1C1966 #664319 #3C6619
monochromatic
#070619 #0F0D35 #1C1966 #292597 #3731C8
Accessibility & contrast
On white
15.22
#1C1966 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.38
#1C1966 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C1966
15.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C1966 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C1966 | 1.00 | 15.22 | 1.38 | 15.22 |
| #FFFFFF | 15.22 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.22 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002968
Deuteranopia (green-blind)
#002265
Tritanopia (blue-blind)
#002E3D
Achromatopsia (no color)
#262626
Design tokens & code
CSS
--color: #1c1966; /* rgb */ color: rgb(28, 25, 102); /* oklch */ color: oklch(27.9% 0.129 275.7);
Tailwind
colors: {
custom: {
50: '#645693',
500: '#1c1966',
950: '#000000',
},
}SCSS
$custom: #1c1966; $custom-light: #645693; $custom-dark: #000000;
JSON
{
"hex": "#1c1966",
"rgb": {
"r": 28,
"g": 25,
"b": 102
},
"hsl": {
"h": 242.338,
"s": 60.63,
"l": 24.902
},
"oklch": {
"l": 0.27896,
"c": 0.12925,
"h": 275.7
},
"luminance": 0.01901
}Semantic roles & 50–950 ramp
primary
#1C1966
secondary
#989C3F
accent
#E444DE
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E