#1C539A#1C539A
#1C539A is a dark, vivid cyan. Relative luminance 0.088; OKLCH L 44.7% C 0.129 H 256.6°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1C539A |
|---|---|
| RGB | rgb(28, 83, 154) |
| HSL | hsl(214, 69%, 36%) |
| HSV | hsv(214, 82%, 60%) |
| CMYK | cmyk(81.8%, 46.1%, 0%, 39.6%) |
| CIE-LAB | lab(35.53, 9.14, -43.80) |
| CIE-LCH | lch(35.53, 44.74, 281.79°) |
| OKLab | oklab(44.68% -0.03 -0.1257) |
| OKLCH | oklch(44.68% 0.129 256.6) |
| XYZ | xyz(9.4027, 8.7653, 31.7619) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.58
Light Navy
#155084
ΔE00 3.33
Light Navy Blue
#2E5A88
ΔE00 3.44
Denim Blue
#3B5B92
ΔE00 3.98
Cobalt (survey)
#1E488F
ΔE00 4.00
Sapphire
#0F52BA
ΔE00 4.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C539A #9A631C
analogous
#1C929A #1C539A #241C9A
triadic
#1C539A #9A1C53 #539A1C
tetradic
#1C539A #9A1C92 #9A631C #1C9A24
square
#1C539A #9A1C92 #9A631C #1C9A24
split-complementary
#1C539A #9A241C #929A1C
monochromatic
#091B32 #133766 #1C539A #256FCE #518FDF
Accessibility & contrast
On white
7.63
#1C539A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#1C539A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C539A
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C539A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C539A | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D5A9D
Deuteranopia (green-blind)
#104E99
Tritanopia (blue-blind)
#00646F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #1c539a; /* rgb */ color: rgb(28, 83, 154); /* oklch */ color: oklch(44.7% 0.129 256.6);
Tailwind
colors: {
custom: {
50: '#6e82b8',
500: '#1c539a',
950: '#000000',
},
}SCSS
$custom: #1c539a; $custom-light: #6e82b8; $custom-dark: #000000;
JSON
{
"hex": "#1c539a",
"rgb": {
"r": 28,
"g": 83,
"b": 154
},
"hsl": {
"h": 213.81,
"s": 69.231,
"l": 35.686
},
"oklch": {
"l": 0.44677,
"c": 0.12921,
"h": 256.6
},
"luminance": 0.08766
}Semantic roles & 50–950 ramp
primary
#1C539A
secondary
#C29050
accent
#9F3CEC
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80