#155780#155780
#155780 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.093 H 241.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).
Color values
| HEX | #155780 |
|---|---|
| RGB | rgb(21, 87, 128) |
| HSL | hsl(203, 72%, 29%) |
| HSV | hsv(203, 84%, 50%) |
| CMYK | cmyk(83.6%, 32%, 0%, 49.8%) |
| CIE-LAB | lab(35.07, -4.61, -28.71) |
| CIE-LCH | lch(35.07, 29.07, 260.88°) |
| OKLab | oklab(43.77% -0.044 -0.0814) |
| OKLCH | oklch(43.77% 0.093 241.6) |
| XYZ | xyz(7.6122, 8.5334, 21.6638) |
| Luminance | 0.0853 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 1.39
Light Navy
#155084
ΔE00 3.85
Light Navy Blue
#2E5A88
ΔE00 3.97
Dusk Blue
#26538D
ΔE00 5.34
Ugly Blue
#31668A
ΔE00 5.45
Peacock Blue
#016795
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155780 #803E15
analogous
#158074 #155780 #152180
triadic
#155780 #801557 #578015
tetradic
#155780 #741580 #803E15 #218015
square
#155780 #741580 #803E15 #218015
split-complementary
#155780 #801521 #807415
monochromatic
#04121A #0C334B #155780 #1E7BB5 #329CDD
Accessibility & contrast
On white
7.76
#155780 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#155780 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155780
7.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155780 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155780 | 1.00 | 7.76 | 2.71 | 7.76 |
| #FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#445882
Deuteranopia (green-blind)
#354E7F
Tritanopia (blue-blind)
#006166
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #155780; /* rgb */ color: rgb(21, 87, 128); /* oklch */ color: oklch(43.8% 0.093 241.6);
Tailwind
colors: {
custom: {
50: '#6686a5',
500: '#155780',
950: '#000000',
},
}SCSS
$custom: #155780; $custom-light: #6686a5; $custom-dark: #000000;
JSON
{
"hex": "#155780",
"rgb": {
"r": 21,
"g": 87,
"b": 128
},
"hsl": {
"h": 202.991,
"s": 71.812,
"l": 29.216
},
"oklch": {
"l": 0.43771,
"c": 0.09254,
"h": 241.6
},
"luminance": 0.08534
}Semantic roles & 50–950 ramp
primary
#155780
secondary
#B56A3C
accent
#7F39EF
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F