#15586B#15586B
#15586B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.071 H 221.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #15586B |
|---|---|
| RGB | rgb(21, 88, 107) |
| HSL | hsl(193, 67%, 25%) |
| HSV | hsv(193, 80%, 42%) |
| CMYK | cmyk(80.4%, 17.8%, 0%, 58%) |
| CIE-LAB | lab(34.40, -13.26, -16.75) |
| CIE-LCH | lch(34.40, 21.36, 231.63°) |
| OKLab | oklab(42.9% -0.053 -0.0469) |
| OKLCH | oklch(42.9% 0.071 221.5) |
| XYZ | xyz(6.4517, 8.1996, 15.1497) |
| Luminance | 0.0820 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 5.51
Deep Teal
#00555A
ΔE00 7.57
Dark Slate Blue
#214761
ΔE00 8.78
Dark Grey Blue
#29465B
ΔE00 9.02
Darkslategray
#2F4F4F
ΔE00 9.05
Ugly Blue
#31668A
ΔE00 9.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15586B #6B2815
analogous
#156B53 #15586B #152D6B
triadic
#15586B #6B1558 #586B15
tetradic
#15586B #53156B #6B2815 #2D6B15
square
#15586B #53156B #6B2815 #2D6B15
split-complementary
#15586B #6B152D #6B5315
monochromatic
#05151A #0B2E38 #15586B #1F829E #29ACD1
Accessibility & contrast
On white
7.95
#15586B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#15586B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15586B
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15586B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15586B | 1.00 | 7.95 | 2.64 | 7.95 |
| #FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D566C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005E5E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #15586b; /* rgb */ color: rgb(21, 88, 107); /* oklch */ color: oklch(42.9% 0.071 221.5);
Tailwind
colors: {
custom: {
50: '#628795',
500: '#15586b',
950: '#000000',
},
}SCSS
$custom: #15586b; $custom-light: #628795; $custom-dark: #000000;
JSON
{
"hex": "#15586b",
"rgb": {
"r": 21,
"g": 88,
"b": 107
},
"hsl": {
"h": 193.256,
"s": 67.188,
"l": 25.098
},
"oklch": {
"l": 0.42903,
"c": 0.07077,
"h": 221.5
},
"luminance": 0.082
}Semantic roles & 50–950 ramp
primary
#15586B
secondary
#A2513A
accent
#643EEA
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E