#15556D#15556D
#15556D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.2% C 0.073 H 228.1°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).
Color values
| HEX | #15556D |
|---|---|
| RGB | rgb(21, 85, 109) |
| HSL | hsl(196, 68%, 25%) |
| HSV | hsv(196, 81%, 43%) |
| CMYK | cmyk(80.7%, 22%, 0%, 57.3%) |
| CIE-LAB | lab(33.48, -10.73, -19.41) |
| CIE-LCH | lch(33.48, 22.18, 241.06°) |
| OKLab | oklab(42.2% -0.049 -0.0545) |
| OKLCH | oklch(42.2% 0.073 228.1) |
| XYZ | xyz(6.3169, 7.7598, 15.6299) |
| Luminance | 0.0776 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 6.46
Dark Grey Blue
#29465B
ΔE00 7.03
Deep Sea Blue
#015482
ΔE00 7.24
Petrol
#005F6A
ΔE00 8.13
Ugly Blue
#31668A
ΔE00 8.15
Peacock Blue
#016795
ΔE00 8.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15556D #6D2D15
analogous
#156D59 #15556D #15296D
triadic
#15556D #6D1555 #556D15
tetradic
#15556D #59156D #6D2D15 #296D15
square
#15556D #59156D #6D2D15 #296D15
split-complementary
#15556D #6D1529 #6D5915
monochromatic
#05141A #0B2D3A #15556D #1F7DA0 #29A5D4
Accessibility & contrast
On white
8.23
#15556D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#15556D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15556D
8.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15556D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15556D | 1.00 | 8.23 | 2.55 | 8.23 |
| #FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#48536E
Deuteranopia (green-blind)
#3D4B6D
Tritanopia (blue-blind)
#005C5D
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #15556d; /* rgb */ color: rgb(21, 85, 109); /* oklch */ color: oklch(42.2% 0.073 228.1);
Tailwind
colors: {
custom: {
50: '#628597',
500: '#15556d',
950: '#000000',
},
}SCSS
$custom: #15556d; $custom-light: #628597; $custom-dark: #000000;
JSON
{
"hex": "#15556d",
"rgb": {
"r": 21,
"g": 85,
"b": 109
},
"hsl": {
"h": 196.364,
"s": 67.692,
"l": 25.49
},
"oklch": {
"l": 0.42196,
"c": 0.07329,
"h": 228.1
},
"luminance": 0.07761
}Semantic roles & 50–950 ramp
primary
#15556D
secondary
#A3573A
accent
#6D3DEB
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0D
muted
#7A7C7E