#255B8A#255B8A
#255B8A is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.8% C 0.096 H 247.9°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).
Color values
| HEX | #255B8A |
|---|---|
| RGB | rgb(37, 91, 138) |
| HSL | hsl(208, 58%, 34%) |
| HSV | hsv(208, 73%, 54%) |
| CMYK | cmyk(73.2%, 34.1%, 0%, 45.9%) |
| CIE-LAB | lab(37.32, -1.16, -31.25) |
| CIE-LCH | lch(37.32, 31.27, 267.88°) |
| OKLab | oklab(45.84% -0.0359 -0.0886) |
| OKLCH | oklch(45.84% 0.096 247.9) |
| XYZ | xyz(9.0897, 9.7095, 25.4349) |
| Luminance | 0.0971 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 1.51
Deep Sea Blue
#015482
ΔE00 3.39
Denim (survey)
#3B638C
ΔE00 3.50
Dusk Blue
#26538D
ΔE00 3.70
Light Navy
#155084
ΔE00 3.74
Denim Blue
#3B5B92
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255B8A #8A5425
analogous
#258A87 #255B8A #25298A
triadic
#255B8A #8A255B #5B8A25
tetradic
#255B8A #87258A #8A5425 #298A25
square
#255B8A #87258A #8A5425 #298A25
split-complementary
#255B8A #8A2529 #8A8725
monochromatic
#0B1B29 #183B5A #255B8A #327BBA #5799D2
Accessibility & contrast
On white
7.14
#255B8A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.94
#255B8A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #255B8A
7.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255B8A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255B8A | 1.00 | 7.14 | 2.94 | 7.14 |
| #FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#465D8C
Deuteranopia (green-blind)
#385489
Tritanopia (blue-blind)
#00666C
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #255b8a; /* rgb */ color: rgb(37, 91, 138); /* oklch */ color: oklch(45.8% 0.096 247.9);
Tailwind
colors: {
custom: {
50: '#6d89ac',
500: '#255b8a',
950: '#000000',
},
}SCSS
$custom: #255b8a; $custom-light: #6d89ac; $custom-dark: #000000;
JSON
{
"hex": "#255b8a",
"rgb": {
"r": 37,
"g": 91,
"b": 138
},
"hsl": {
"h": 207.921,
"s": 57.714,
"l": 34.314
},
"oklch": {
"l": 0.45844,
"c": 0.09562,
"h": 247.9
},
"luminance": 0.0971
}Semantic roles & 50–950 ramp
primary
#255B8A
secondary
#B78254
accent
#8F47E1
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080B10
muted
#7B7C7F