#255E91#255E91
#255E91 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.0% C 0.102 H 248.8°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).
Color values
| HEX | #255E91 |
|---|---|
| RGB | rgb(37, 94, 145) |
| HSL | hsl(208, 59%, 36%) |
| HSV | hsv(208, 74%, 57%) |
| CMYK | cmyk(74.5%, 35.2%, 0%, 43.1%) |
| CIE-LAB | lab(38.62, -0.40, -33.42) |
| CIE-LCH | lch(38.62, 33.42, 269.32°) |
| OKLab | oklab(47% -0.0369 -0.0949) |
| OKLCH | oklch(47% 0.102 248.8) |
| XYZ | xyz(9.8746, 10.4419, 28.2777) |
| Luminance | 0.1044 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 2.15
Denim (survey)
#3B638C
ΔE00 2.94
Ugly Blue
#31668A
ΔE00 4.27
Dusk Blue
#26538D
ΔE00 4.37
Deep Sea Blue
#015482
ΔE00 4.38
Denim Blue
#3B5B92
ΔE00 4.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255E91 #915825
analogous
#25918E #255E91 #252891
triadic
#255E91 #91255E #5E9125
tetradic
#255E91 #8E2591 #915825 #289125
square
#255E91 #8E2591 #915825 #289125
split-complementary
#255E91 #912528 #918E25
monochromatic
#0C1F2F #193E60 #255E91 #317EC2 #5B9CD5
Accessibility & contrast
On white
6.80
#255E91 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.09
#255E91 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #255E91
6.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255E91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255E91 | 1.00 | 6.80 | 3.09 | 6.80 |
| #FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#476093
Deuteranopia (green-blind)
#375690
Tritanopia (blue-blind)
#006A70
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #255e91; /* rgb */ color: rgb(37, 94, 145); /* oklch */ color: oklch(47.0% 0.102 248.8);
Tailwind
colors: {
custom: {
50: '#6e8bb1',
500: '#255e91',
950: '#000000',
},
}SCSS
$custom: #255e91; $custom-light: #6e8bb1; $custom-dark: #000000;
JSON
{
"hex": "#255e91",
"rgb": {
"r": 37,
"g": 94,
"b": 145
},
"hsl": {
"h": 208.333,
"s": 59.341,
"l": 35.686
},
"oklch": {
"l": 0.46995,
"c": 0.10184,
"h": 248.8
},
"luminance": 0.10443
}Semantic roles & 50–950 ramp
primary
#255E91
secondary
#BA8658
accent
#9045E3
background
#F7F8FA
surface
#EDF0F5
border
#C8CBCF
text
#080B11
muted
#7B7C80