#15566D#15566D
#15566D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.073 H 226.7°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).
Color values
| HEX | #15566D |
|---|---|
| RGB | rgb(21, 86, 109) |
| HSL | hsl(196, 68%, 25%) |
| HSV | hsv(196, 81%, 43%) |
| CMYK | cmyk(80.7%, 21.1%, 0%, 57.3%) |
| CIE-LAB | lab(33.81, -11.33, -18.90) |
| CIE-LCH | lch(33.81, 22.03, 239.04°) |
| OKLab | oklab(42.46% -0.05 -0.053) |
| OKLCH | oklch(42.46% 0.073 226.7) |
| XYZ | xyz(6.3962, 7.9184, 15.6563) |
| Luminance | 0.0792 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 7.02
Dark Grey Blue
#29465B
ΔE00 7.52
Petrol
#005F6A
ΔE00 7.53
Deep Sea Blue
#015482
ΔE00 7.82
Ugly Blue
#31668A
ΔE00 8.30
Peacock Blue
#016795
ΔE00 8.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15566D #6D2C15
analogous
#156D58 #15566D #152A6D
triadic
#15566D #6D1556 #566D15
tetradic
#15566D #58156D #6D2C15 #2A6D15
square
#15566D #58156D #6D2C15 #2A6D15
split-complementary
#15566D #6D152A #6D5815
monochromatic
#05141A #0B2E3A #15566D #1F7EA0 #29A7D4
Accessibility & contrast
On white
8.13
#15566D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#15566D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15566D
8.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15566D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15566D | 1.00 | 8.13 | 2.58 | 8.13 |
| #FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A546E
Deuteranopia (green-blind)
#3E4C6D
Tritanopia (blue-blind)
#005D5E
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #15566d; /* rgb */ color: rgb(21, 86, 109); /* oklch */ color: oklch(42.5% 0.073 226.7);
Tailwind
colors: {
custom: {
50: '#628597',
500: '#15566d',
950: '#000000',
},
}SCSS
$custom: #15566d; $custom-light: #628597; $custom-dark: #000000;
JSON
{
"hex": "#15566d",
"rgb": {
"r": 21,
"g": 86,
"b": 109
},
"hsl": {
"h": 195.682,
"s": 67.692,
"l": 25.49
},
"oklch": {
"l": 0.42464,
"c": 0.07291,
"h": 226.7
},
"luminance": 0.07919
}Semantic roles & 50–950 ramp
primary
#15566D
secondary
#A3563A
accent
#6B3DEB
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E