#15539E#15539E
#15539E is a dark, vivid cyan. Relative luminance 0.088; OKLCH L 44.8% C 0.136 H 256.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).
Color values
| HEX | #15539E |
|---|---|
| RGB | rgb(21, 83, 158) |
| HSL | hsl(213, 77%, 35%) |
| HSV | hsv(213, 87%, 62%) |
| CMYK | cmyk(86.7%, 47.5%, 0%, 38%) |
| CIE-LAB | lab(35.62, 10.11, -46.06) |
| CIE-LCH | lch(35.62, 47.16, 282.38°) |
| OKLab | oklab(44.79% -0.0327 -0.1324) |
| OKLCH | oklch(44.79% 0.136 256.1) |
| XYZ | xyz(9.5718, 8.8134, 33.5378) |
| Luminance | 0.0882 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.07
Light Navy
#155084
ΔE00 3.52
Light Navy Blue
#2E5A88
ΔE00 3.68
Sapphire
#0F52BA
ΔE00 3.91
Cobalt (survey)
#1E488F
ΔE00 4.27
Denim Blue
#3B5B92
ΔE00 4.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15539E #9E6015
analogous
#15979E #15539E #1C159E
triadic
#15539E #9E1553 #539E15
tetradic
#15539E #9E1597 #9E6015 #159E1C
square
#15539E #9E1597 #9E6015 #159E1C
split-complementary
#15539E #9E1C15 #979E15
monochromatic
#071A32 #0E3768 #15539E #1C6FD4 #478FE7
Accessibility & contrast
On white
7.60
#15539E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#15539E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15539E
7.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15539E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15539E | 1.00 | 7.60 | 2.76 | 7.60 |
| #FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#295AA1
Deuteranopia (green-blind)
#004E9D
Tritanopia (blue-blind)
#006571
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #15539e; /* rgb */ color: rgb(21, 83, 158); /* oklch */ color: oklch(44.8% 0.136 256.1);
Tailwind
colors: {
custom: {
50: '#6d82bb',
500: '#15539e',
950: '#000000',
},
}SCSS
$custom: #15539e; $custom-light: #6d82bb; $custom-dark: #000000;
JSON
{
"hex": "#15539e",
"rgb": {
"r": 21,
"g": 83,
"b": 158
},
"hsl": {
"h": 212.847,
"s": 76.536,
"l": 35.098
},
"oklch": {
"l": 0.44786,
"c": 0.13642,
"h": 256.1
},
"luminance": 0.08815
}Semantic roles & 50–950 ramp
primary
#15539E
secondary
#C78D47
accent
#9D35F3
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A12
muted
#7B7C81