#155E70#155E70
#155E70 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.8% C 0.073 H 218.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).
Color values
| HEX | #155E70 |
|---|---|
| RGB | rgb(21, 94, 112) |
| HSL | hsl(192, 68%, 26%) |
| HSV | hsv(192, 81%, 44%) |
| CMYK | cmyk(81.2%, 16.1%, 0%, 56.1%) |
| CIE-LAB | lab(36.62, -14.90, -16.43) |
| CIE-LCH | lch(36.62, 22.18, 227.80°) |
| OKLab | oklab(44.76% -0.0573 -0.0459) |
| OKLCH | oklch(44.76% 0.073 218.7) |
| XYZ | xyz(7.2354, 9.3338, 16.7464) |
| Luminance | 0.0934 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 4.09
Deep Teal
#00555A
ΔE00 7.25
Sea Blue
#047495
ΔE00 8.95
Dark Aqua
#05696B
ΔE00 9.06
Ugly Blue
#31668A
ΔE00 9.41
Darkslategray
#2F4F4F
ΔE00 9.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155E70 #702715
analogous
#157054 #155E70 #153070
triadic
#155E70 #70155E #5E7015
tetradic
#155E70 #541570 #702715 #307015
square
#155E70 #541570 #702715 #307015
split-complementary
#155E70 #701530 #705415
monochromatic
#05161A #0B333C #155E70 #1F89A4 #29B4D7
Accessibility & contrast
On white
7.32
#155E70 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.87
#155E70 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155E70
7.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155E70 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155E70 | 1.00 | 7.32 | 2.87 | 7.32 |
| #FFFFFF | 7.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#535B71
Deuteranopia (green-blind)
#475270
Tritanopia (blue-blind)
#006464
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #155e70; /* rgb */ color: rgb(21, 94, 112); /* oklch */ color: oklch(44.8% 0.073 218.7);
Tailwind
colors: {
custom: {
50: '#638b99',
500: '#155e70',
950: '#000000',
},
}SCSS
$custom: #155e70; $custom-light: #638b99; $custom-dark: #000000;
JSON
{
"hex": "#155e70",
"rgb": {
"r": 21,
"g": 94,
"b": 112
},
"hsl": {
"h": 191.868,
"s": 68.421,
"l": 26.078
},
"oklch": {
"l": 0.4476,
"c": 0.07345,
"h": 218.7
},
"luminance": 0.09335
}Semantic roles & 50–950 ramp
primary
#155E70
secondary
#A6503B
accent
#5F3DEB
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0D
muted
#7A7D7E