#155C76#155C76
#155C76 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.5% C 0.079 H 227.9°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).
Color values
| HEX | #155C76 |
|---|---|
| RGB | rgb(21, 92, 118) |
| HSL | hsl(196, 70%, 27%) |
| HSV | hsv(196, 82%, 46%) |
| CMYK | cmyk(82.2%, 22%, 0%, 53.7%) |
| CIE-LAB | lab(36.22, -11.52, -20.76) |
| CIE-LCH | lch(36.22, 23.74, 240.98°) |
| OKLab | oklab(44.52% -0.0527 -0.0583) |
| OKLCH | oklch(44.52% 0.079 227.9) |
| XYZ | xyz(7.4051, 9.1208, 18.5062) |
| Luminance | 0.0912 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 6.52
Peacock Blue
#016795
ΔE00 6.94
Deep Sea Blue
#015482
ΔE00 7.40
Petrol
#005F6A
ΔE00 7.72
Dark Slate Blue
#214761
ΔE00 8.30
Sea Blue
#047495
ΔE00 8.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155C76 #762F15
analogous
#15765F #155C76 #152C76
triadic
#155C76 #76155C #5C7615
tetradic
#155C76 #5F1576 #762F15 #2C7615
square
#155C76 #5F1576 #762F15 #2C7615
split-complementary
#155C76 #76152C #765F15
monochromatic
#05141A #0C3342 #155C76 #1E85AA #2CABD9
Accessibility & contrast
On white
7.44
#155C76 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.82
#155C76 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155C76
7.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155C76 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155C76 | 1.00 | 7.44 | 2.82 | 7.44 |
| #FFFFFF | 7.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E5A77
Deuteranopia (green-blind)
#415176
Tritanopia (blue-blind)
#006365
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #155c76; /* rgb */ color: rgb(21, 92, 118); /* oklch */ color: oklch(44.5% 0.079 227.9);
Tailwind
colors: {
custom: {
50: '#648a9d',
500: '#155c76',
950: '#000000',
},
}SCSS
$custom: #155c76; $custom-light: #648a9d; $custom-dark: #000000;
JSON
{
"hex": "#155c76",
"rgb": {
"r": 21,
"g": 92,
"b": 118
},
"hsl": {
"h": 196.082,
"s": 69.784,
"l": 27.255
},
"oklch": {
"l": 0.44523,
"c": 0.07861,
"h": 227.9
},
"luminance": 0.09122
}Semantic roles & 50–950 ramp
primary
#155C76
secondary
#AC593B
accent
#6B3BED
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060B0E
muted
#7A7C7E