#1C2170#1C2170
#1C2170 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.134 H 272.5°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2170 |
|---|---|
| RGB | rgb(28, 33, 112) |
| HSL | hsl(236, 60%, 27%) |
| HSV | hsv(236, 75%, 44%) |
| CMYK | cmyk(75%, 70.5%, 0%, 56.1%) |
| CIE-LAB | lab(17.94, 26.86, -46.14) |
| CIE-LCH | lch(17.94, 53.39, 300.20°) |
| OKLab | oklab(30.36% 0.0059 -0.1334) |
| OKLCH | oklch(30.36% 0.134 272.5) |
| XYZ | xyz(3.9464, 2.5040, 15.6014) |
| Luminance | 0.0250 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.33
Royal
#0C1793
ΔE00 6.31
Darkblue (survey)
#030764
ΔE00 6.39
Dark Royal Blue
#02066F
ΔE00 6.43
Deep Blue
#040273
ΔE00 7.14
Dark Indigo
#1F0954
ΔE00 7.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2170 #706B1C
analogous
#1C4B70 #1C2170 #411C70
triadic
#1C2170 #701C21 #21701C
tetradic
#1C2170 #701C4B #706B1C #1C7041
square
#1C2170 #701C4B #706B1C #1C7041
split-complementary
#1C2170 #70411C #4B701C
monochromatic
#060718 #10133F #1C2170 #282FA1 #3942CD
Accessibility & contrast
On white
13.99
#1C2170 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.50
#1C2170 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2170
13.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2170 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2170 | 1.00 | 13.99 | 1.50 | 13.99 |
| #FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003072
Deuteranopia (green-blind)
#00286F
Tritanopia (blue-blind)
#003645
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #1c2170; /* rgb */ color: rgb(28, 33, 112); /* oklch */ color: oklch(30.4% 0.134 272.5);
Tailwind
colors: {
custom: {
50: '#665c9a',
500: '#1c2170',
950: '#000000',
},
}SCSS
$custom: #1c2170; $custom-light: #665c9a; $custom-dark: #000000;
JSON
{
"hex": "#1c2170",
"rgb": {
"r": 28,
"g": 33,
"b": 112
},
"hsl": {
"h": 236.429,
"s": 60,
"l": 27.451
},
"oklch": {
"l": 0.30357,
"c": 0.13352,
"h": 272.5
},
"luminance": 0.02504
}Semantic roles & 50–950 ramp
primary
#1C2170
secondary
#A59F43
accent
#DA45E3
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07040E
muted
#7A797E