#155580#155580
#155580 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.094 H 243.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #155580 |
|---|---|
| RGB | rgb(21, 85, 128) |
| HSL | hsl(204, 72%, 29%) |
| HSV | hsv(204, 84%, 50%) |
| CMYK | cmyk(83.6%, 33.6%, 0%, 49.8%) |
| CIE-LAB | lab(34.42, -3.34, -29.72) |
| CIE-LCH | lch(34.42, 29.91, 263.58°) |
| OKLab | oklab(43.26% -0.042 -0.0844) |
| OKLCH | oklch(43.26% 0.094 243.5) |
| XYZ | xyz(7.4525, 8.2140, 21.6106) |
| Luminance | 0.0822 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 0.90
Light Navy
#155084
ΔE00 2.87
Light Navy Blue
#2E5A88
ΔE00 3.62
Dusk Blue
#26538D
ΔE00 4.56
Prussian Blue
#004577
ΔE00 5.59
Denim (survey)
#3B638C
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155580 #804015
analogous
#158076 #155580 #152080
triadic
#155580 #801555 #558015
tetradic
#155580 #761580 #804015 #208015
square
#155580 #761580 #804015 #208015
split-complementary
#155580 #801520 #807615
monochromatic
#04111A #0C324B #155580 #1E78B5 #3299DD
Accessibility & contrast
On white
7.95
#155580 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#155580 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155580
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155580 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155580 | 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)
#415682
Deuteranopia (green-blind)
#324D7F
Tritanopia (blue-blind)
#006064
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155580; /* rgb */ color: rgb(21, 85, 128); /* oklch */ color: oklch(43.3% 0.094 243.5);
Tailwind
colors: {
custom: {
50: '#6684a5',
500: '#155580',
950: '#000000',
},
}SCSS
$custom: #155580; $custom-light: #6684a5; $custom-dark: #000000;
JSON
{
"hex": "#155580",
"rgb": {
"r": 21,
"g": 85,
"b": 128
},
"hsl": {
"h": 204.112,
"s": 71.812,
"l": 29.216
},
"oklch": {
"l": 0.43261,
"c": 0.09431,
"h": 243.5
},
"luminance": 0.08215
}Semantic roles & 50–950 ramp
primary
#155580
secondary
#B56D3C
accent
#8239EF
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F