#155E77#155E77
#155E77 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.1% C 0.079 H 226.3°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).
Color values
| HEX | #155E77 |
|---|---|
| RGB | rgb(21, 94, 119) |
| HSL | hsl(195, 70%, 27%) |
| HSV | hsv(195, 82%, 47%) |
| CMYK | cmyk(82.4%, 21%, 0%, 53.3%) |
| CIE-LAB | lab(36.92, -12.32, -20.28) |
| CIE-LCH | lch(36.92, 23.73, 238.72°) |
| OKLab | oklab(45.1% -0.0544 -0.0569) |
| OKLCH | oklch(45.1% 0.079 226.3) |
| XYZ | xyz(7.6404, 9.4958, 18.8794) |
| Luminance | 0.0950 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 6.69
Petrol
#005F6A
ΔE00 7.09
Peacock Blue
#016795
ΔE00 7.11
Sea Blue
#047495
ΔE00 7.86
Deep Sea Blue
#015482
ΔE00 8.23
Ocean Blue (survey)
#03719C
ΔE00 8.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155E77 #772E15
analogous
#15775F #155E77 #152D77
triadic
#155E77 #77155E #5E7715
tetradic
#155E77 #5F1577 #772E15 #2D7715
square
#155E77 #5F1577 #772E15 #2D7715
split-complementary
#155E77 #77152D #775F15
monochromatic
#05151A #0C3543 #155E77 #1E87AB #2DAEDA
Accessibility & contrast
On white
7.24
#155E77 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.90
#155E77 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155E77
7.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155E77 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155E77 | 1.00 | 7.24 | 2.90 | 7.24 |
| #FFFFFF | 7.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#505C78
Deuteranopia (green-blind)
#445377
Tritanopia (blue-blind)
#006566
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #155e77; /* rgb */ color: rgb(21, 94, 119); /* oklch */ color: oklch(45.1% 0.079 226.3);
Tailwind
colors: {
custom: {
50: '#648b9e',
500: '#155e77',
950: '#000000',
},
}SCSS
$custom: #155e77; $custom-light: #648b9e; $custom-dark: #000000;
JSON
{
"hex": "#155e77",
"rgb": {
"r": 21,
"g": 94,
"b": 119
},
"hsl": {
"h": 195.306,
"s": 70,
"l": 27.451
},
"oklch": {
"l": 0.45103,
"c": 0.07873,
"h": 226.3
},
"luminance": 0.09497
}Semantic roles & 50–950 ramp
primary
#155E77
secondary
#AD583B
accent
#683BED
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E