#155381#155381
#155381 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.097 H 245.9°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #155381 |
|---|---|
| RGB | rgb(21, 83, 129) |
| HSL | hsl(206, 72%, 29%) |
| HSV | hsv(206, 84%, 51%) |
| CMYK | cmyk(83.7%, 35.7%, 0%, 49.4%) |
| CIE-LAB | lab(33.84, -1.66, -31.27) |
| CIE-LCH | lch(33.84, 31.31, 266.95°) |
| OKLab | oklab(42.82% -0.0398 -0.089) |
| OKLCH | oklch(42.82% 0.097 245.9) |
| XYZ | xyz(7.3634, 7.9300, 21.9072) |
| Luminance | 0.0793 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 1.46
Light Navy
#155084
ΔE00 1.75
Light Navy Blue
#2E5A88
ΔE00 3.40
Dusk Blue
#26538D
ΔE00 3.70
Prussian Blue
#004577
ΔE00 4.71
Twilight Blue
#0A437A
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155381 #814315
analogous
#158179 #155381 #151D81
triadic
#155381 #811553 #538115
tetradic
#155381 #791581 #814315 #1D8115
square
#155381 #791581 #814315 #1D8115
split-complementary
#155381 #81151D #817915
monochromatic
#04111A #0C314C #155381 #1E75B6 #3395DE
Accessibility & contrast
On white
8.12
#155381 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#155381 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155381
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155381 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155381 | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D5583
Deuteranopia (green-blind)
#2E4B80
Tritanopia (blue-blind)
#005E64
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #155381; /* rgb */ color: rgb(21, 83, 129); /* oklch */ color: oklch(42.8% 0.097 245.9);
Tailwind
colors: {
custom: {
50: '#6683a6',
500: '#155381',
950: '#000000',
},
}SCSS
$custom: #155381; $custom-light: #6683a6; $custom-dark: #000000;
JSON
{
"hex": "#155381",
"rgb": {
"r": 21,
"g": 83,
"b": 129
},
"hsl": {
"h": 205.556,
"s": 72,
"l": 29.412
},
"oklch": {
"l": 0.42815,
"c": 0.09748,
"h": 245.9
},
"luminance": 0.07931
}Semantic roles & 50–950 ramp
primary
#155381
secondary
#B6703C
accent
#8639EF
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F