#155A76#155A76
#155A76 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.0% C 0.080 H 230.5°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #155A76 |
|---|---|
| RGB | rgb(21, 90, 118) |
| HSL | hsl(197, 70%, 27%) |
| HSV | hsv(197, 82%, 46%) |
| CMYK | cmyk(82.2%, 23.7%, 0%, 53.7%) |
| CIE-LAB | lab(35.56, -10.33, -21.78) |
| CIE-LCH | lch(35.56, 24.11, 244.64°) |
| OKLab | oklab(43.99% -0.0506 -0.0613) |
| OKLCH | oklch(43.99% 0.08 230.5) |
| XYZ | xyz(7.2341, 8.7789, 18.4493) |
| Luminance | 0.0878 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 6.17
Ugly Blue
#31668A
ΔE00 6.18
Peacock Blue
#016795
ΔE00 6.56
Dark Slate Blue
#214761
ΔE00 7.33
Dark Grey Blue
#29465B
ΔE00 8.13
Light Navy Blue
#2E5A88
ΔE00 8.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155A76 #763115
analogous
#157662 #155A76 #152976
triadic
#155A76 #76155A #5A7615
tetradic
#155A76 #621576 #763115 #297615
square
#155A76 #621576 #763115 #297615
split-complementary
#155A76 #761529 #766215
monochromatic
#05141A #0C3242 #155A76 #1E82AA #2CA7D9
Accessibility & contrast
On white
7.62
#155A76 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#155A76 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155A76
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155A76 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155A76 | 1.00 | 7.62 | 2.76 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C5977
Deuteranopia (green-blind)
#3F5076
Tritanopia (blue-blind)
#006263
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #155a76; /* rgb */ color: rgb(21, 90, 118); /* oklch */ color: oklch(44.0% 0.080 230.5);
Tailwind
colors: {
custom: {
50: '#64889d',
500: '#155a76',
950: '#000000',
},
}SCSS
$custom: #155a76; $custom-light: #64889d; $custom-dark: #000000;
JSON
{
"hex": "#155a76",
"rgb": {
"r": 21,
"g": 90,
"b": 118
},
"hsl": {
"h": 197.32,
"s": 69.784,
"l": 27.255
},
"oklch": {
"l": 0.43994,
"c": 0.0795,
"h": 230.5
},
"luminance": 0.0878
}Semantic roles & 50–950 ramp
primary
#155A76
secondary
#AC5C3B
accent
#6E3BED
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E