#155E7C#155E7C
#155E7C is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.4% C 0.083 H 231.0°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #155E7C |
|---|---|
| RGB | rgb(21, 94, 124) |
| HSL | hsl(197, 71%, 28%) |
| HSV | hsv(197, 83%, 49%) |
| CMYK | cmyk(83.1%, 24.2%, 0%, 51.4%) |
| CIE-LAB | lab(37.15, -10.44, -23.00) |
| CIE-LCH | lch(37.15, 25.26, 245.58°) |
| OKLab | oklab(45.36% -0.0524 -0.0648) |
| OKLCH | oklch(45.36% 0.083 231) |
| XYZ | xyz(7.9486, 9.6191, 20.5026) |
| Luminance | 0.0962 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.06
Peacock Blue
#016795
ΔE00 5.29
Deep Sea Blue
#015482
ΔE00 6.31
Ocean Blue (survey)
#03719C
ΔE00 7.31
Sea Blue
#047495
ΔE00 7.77
Denim (survey)
#3B638C
ΔE00 7.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155E7C #7C3315
analogous
#157C66 #155E7C #152A7C
triadic
#155E7C #7C155E #5E7C15
tetradic
#155E7C #66157C #7C3315 #2A7C15
square
#155E7C #66157C #7C3315 #2A7C15
split-complementary
#155E7C #7C152A #7C6615
monochromatic
#04141A #0C3648 #155E7C #1E86B0 #30AADC
Accessibility & contrast
On white
7.18
#155E7C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.92
#155E7C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155E7C
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155E7C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155E7C | 1.00 | 7.18 | 2.92 | 7.18 |
| #FFFFFF | 7.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F5D7D
Deuteranopia (green-blind)
#41537C
Tritanopia (blue-blind)
#006668
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #155e7c; /* rgb */ color: rgb(21, 94, 124); /* oklch */ color: oklch(45.4% 0.083 231.0);
Tailwind
colors: {
custom: {
50: '#658ba2',
500: '#155e7c',
950: '#000000',
},
}SCSS
$custom: #155e7c; $custom-light: #658ba2; $custom-dark: #000000;
JSON
{
"hex": "#155e7c",
"rgb": {
"r": 21,
"g": 94,
"b": 124
},
"hsl": {
"h": 197.476,
"s": 71.034,
"l": 28.431
},
"oklch": {
"l": 0.45361,
"c": 0.08329,
"h": 231
},
"luminance": 0.0962
}Semantic roles & 50–950 ramp
primary
#155E7C
secondary
#B15E3C
accent
#6E3AEE
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E