#255D8B#255D8B
#255D8B is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.4% C 0.095 H 246.7°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #255D8B |
|---|---|
| RGB | rgb(37, 93, 139) |
| HSL | hsl(207, 58%, 35%) |
| HSV | hsv(207, 73%, 55%) |
| CMYK | cmyk(73.4%, 33.1%, 0%, 45.5%) |
| CIE-LAB | lab(37.99, -2.04, -30.79) |
| CIE-LCH | lch(37.99, 30.85, 266.21°) |
| OKLab | oklab(46.4% -0.0377 -0.0872) |
| OKLCH | oklch(46.4% 0.095 246.7) |
| XYZ | xyz(9.3357, 10.0851, 25.8757) |
| Luminance | 0.1009 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 2.13
Denim (survey)
#3B638C
ΔE00 3.20
Deep Sea Blue
#015482
ΔE00 3.66
Ugly Blue
#31668A
ΔE00 3.96
Light Navy
#155084
ΔE00 4.48
Dusk Blue
#26538D
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255D8B #8B5325
analogous
#258B86 #255D8B #252A8B
triadic
#255D8B #8B255D #5D8B25
tetradic
#255D8B #86258B #8B5325 #2A8B25
square
#255D8B #86258B #8B5325 #2A8B25
split-complementary
#255D8B #8B252A #8B8625
monochromatic
#0B1C2A #183D5B #255D8B #327DBB #589BD3
Accessibility & contrast
On white
6.96
#255D8B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.02
#255D8B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #255D8B
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255D8B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255D8B | 1.00 | 6.96 | 3.02 | 6.96 |
| #FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#485F8D
Deuteranopia (green-blind)
#3A558A
Tritanopia (blue-blind)
#00686D
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #255d8b; /* rgb */ color: rgb(37, 93, 139); /* oklch */ color: oklch(46.4% 0.095 246.7);
Tailwind
colors: {
custom: {
50: '#6d8aad',
500: '#255d8b',
950: '#000000',
},
}SCSS
$custom: #255d8b; $custom-light: #6d8aad; $custom-dark: #000000;
JSON
{
"hex": "#255d8b",
"rgb": {
"r": 37,
"g": 93,
"b": 139
},
"hsl": {
"h": 207.059,
"s": 57.955,
"l": 34.51
},
"oklch": {
"l": 0.46395,
"c": 0.09503,
"h": 246.7
},
"luminance": 0.10086
}Semantic roles & 50–950 ramp
primary
#255D8B
secondary
#B78155
accent
#8C47E1
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080B10
muted
#7B7C7F