#1C3290#1C3290
#1C3290 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.157 H 267.4°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).
Color values
| HEX | #1C3290 |
|---|---|
| RGB | rgb(28, 50, 144) |
| HSL | hsl(229, 67%, 34%) |
| HSV | hsv(229, 81%, 56%) |
| CMYK | cmyk(80.6%, 65.3%, 0%, 43.5%) |
| CIE-LAB | lab(25.38, 27.67, -54.15) |
| CIE-LCH | lch(25.38, 60.81, 297.06°) |
| OKLab | oklab(36.75% -0.007 -0.1567) |
| OKLCH | oklch(36.75% 0.157 267.4) |
| XYZ | xyz(6.6518, 4.5409, 26.9061) |
| Luminance | 0.0454 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.11
Blueberry
#464196
ΔE00 6.43
Darkslateblue
#483D8B
ΔE00 6.84
Royal
#0C1793
ΔE00 7.16
Cobalt
#0047AB
ΔE00 7.61
Darkish Blue
#014182
ΔE00 7.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C3290 #907A1C
analogous
#1C6C90 #1C3290 #401C90
triadic
#1C3290 #901C32 #32901C
tetradic
#1C3290 #901C6C #907A1C #1C9040
square
#1C3290 #901C6C #907A1C #1C9040
split-complementary
#1C3290 #90401C #6C901C
monochromatic
#080E2A #12205D #1C3290 #2644C3 #4A66DC
Accessibility & contrast
On white
11.00
#1C3290 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#1C3290 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C3290
11.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C3290 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C3290 | 1.00 | 11.00 | 1.91 | 11.00 |
| #FFFFFF | 11.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004293
Deuteranopia (green-blind)
#00378E
Tritanopia (blue-blind)
#004B5C
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #1c3290; /* rgb */ color: rgb(28, 50, 144); /* oklch */ color: oklch(36.8% 0.157 267.4);
Tailwind
colors: {
custom: {
50: '#6d69b1',
500: '#1c3290',
950: '#000000',
},
}SCSS
$custom: #1c3290; $custom-light: #6d69b1; $custom-dark: #000000;
JSON
{
"hex": "#1c3290",
"rgb": {
"r": 28,
"g": 50,
"b": 144
},
"hsl": {
"h": 228.621,
"s": 67.442,
"l": 33.725
},
"oklch": {
"l": 0.36752,
"c": 0.15686,
"h": 267.4
},
"luminance": 0.04542
}Semantic roles & 50–950 ramp
primary
#1C3290
secondary
#BEA84A
accent
#CA3DEA
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#080611
muted
#7B7A80