#155F77#155F77
#155F77 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.078 H 225.0°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).
Color values
| HEX | #155F77 |
|---|---|
| RGB | rgb(21, 95, 119) |
| HSL | hsl(195, 70%, 27%) |
| HSV | hsv(195, 82%, 47%) |
| CMYK | cmyk(82.4%, 20.2%, 0%, 53.3%) |
| CIE-LAB | lab(37.25, -12.91, -19.77) |
| CIE-LCH | lch(37.25, 23.61, 236.86°) |
| OKLab | oklab(45.37% -0.0554 -0.0555) |
| OKLCH | oklch(45.37% 0.078 225) |
| XYZ | xyz(7.7299, 9.6748, 18.9092) |
| Luminance | 0.0968 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 6.60
Ugly Blue
#31668A
ΔE00 7.00
Peacock Blue
#016795
ΔE00 7.44
Sea Blue
#047495
ΔE00 7.64
Ocean Blue (survey)
#03719C
ΔE00 8.40
Deep Sea Blue
#015482
ΔE00 8.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155F77 #772D15
analogous
#15775E #155F77 #152E77
triadic
#155F77 #77155F #5F7715
tetradic
#155F77 #5E1577 #772D15 #2E7715
square
#155F77 #5E1577 #772D15 #2E7715
split-complementary
#155F77 #77152E #775E15
monochromatic
#05151A #0C3543 #155F77 #1E89AB #2DAFDA
Accessibility & contrast
On white
7.15
#155F77 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.94
#155F77 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155F77
7.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155F77 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155F77 | 1.00 | 7.15 | 2.94 | 7.15 |
| #FFFFFF | 7.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#525D78
Deuteranopia (green-blind)
#455477
Tritanopia (blue-blind)
#006667
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #155f77; /* rgb */ color: rgb(21, 95, 119); /* oklch */ color: oklch(45.4% 0.078 225.0);
Tailwind
colors: {
custom: {
50: '#648c9e',
500: '#155f77',
950: '#000000',
},
}SCSS
$custom: #155f77; $custom-light: #648c9e; $custom-dark: #000000;
JSON
{
"hex": "#155f77",
"rgb": {
"r": 21,
"g": 95,
"b": 119
},
"hsl": {
"h": 194.694,
"s": 70,
"l": 27.451
},
"oklch": {
"l": 0.45368,
"c": 0.0784,
"h": 225
},
"luminance": 0.09676
}Semantic roles & 50–950 ramp
primary
#155F77
secondary
#AD573B
accent
#673BED
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E