#1C5699#1C5699
#1C5699 is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.124 H 254.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5699 |
|---|---|
| RGB | rgb(28, 86, 153) |
| HSL | hsl(212, 69%, 35%) |
| HSV | hsv(212, 82%, 60%) |
| CMYK | cmyk(81.7%, 43.8%, 0%, 40%) |
| CIE-LAB | lab(36.37, 6.75, -41.85) |
| CIE-LCH | lch(36.37, 42.39, 279.17°) |
| OKLab | oklab(45.31% -0.0327 -0.1199) |
| OKLCH | oklch(45.31% 0.124 254.7) |
| XYZ | xyz(9.5543, 9.2012, 31.4033) |
| Luminance | 0.0920 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.87
Light Navy Blue
#2E5A88
ΔE00 2.68
Light Navy
#155084
ΔE00 3.27
Denim Blue
#3B5B92
ΔE00 3.81
Sapphire
#0F52BA
ΔE00 4.71
Deep Sea Blue
#015482
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5699 #995F1C
analogous
#1C9499 #1C5699 #201C99
triadic
#1C5699 #991C56 #56991C
tetradic
#1C5699 #991C94 #995F1C #1C9920
square
#1C5699 #991C94 #995F1C #1C9920
split-complementary
#1C5699 #99201C #94991C
monochromatic
#091C32 #133965 #1C5699 #2573CD #5093DF
Accessibility & contrast
On white
7.39
#1C5699 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.84
#1C5699 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C5699
7.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5699 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5699 | 1.00 | 7.39 | 2.84 | 7.39 |
| #FFFFFF | 7.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#345C9C
Deuteranopia (green-blind)
#1C5098
Tritanopia (blue-blind)
#006670
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #1c5699; /* rgb */ color: rgb(28, 86, 153); /* oklch */ color: oklch(45.3% 0.124 254.7);
Tailwind
colors: {
custom: {
50: '#6d85b7',
500: '#1c5699',
950: '#000000',
},
}SCSS
$custom: #1c5699; $custom-light: #6d85b7; $custom-dark: #000000;
JSON
{
"hex": "#1c5699",
"rgb": {
"r": 28,
"g": 86,
"b": 153
},
"hsl": {
"h": 212.16,
"s": 69.061,
"l": 35.49
},
"oklch": {
"l": 0.45308,
"c": 0.12427,
"h": 254.7
},
"luminance": 0.09202
}Semantic roles & 50–950 ramp
primary
#1C5699
secondary
#C28D4F
accent
#9A3CEC
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80