#255579#255579
#255579 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.4% C 0.079 H 243.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #255579 |
|---|---|
| RGB | rgb(37, 85, 121) |
| HSL | hsl(206, 53%, 31%) |
| HSV | hsv(206, 69%, 47%) |
| CMYK | cmyk(69.4%, 29.8%, 0%, 52.5%) |
| CIE-LAB | lab(34.54, -3.75, -25.19) |
| CIE-LCH | lch(34.54, 25.47, 261.53°) |
| OKLab | oklab(43.37% -0.0349 -0.0711) |
| OKLCH | oklch(43.37% 0.079 243.8) |
| XYZ | xyz(7.4613, 8.2700, 19.2885) |
| Luminance | 0.0827 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.45
Light Navy
#155084
ΔE00 3.36
Light Navy Blue
#2E5A88
ΔE00 3.48
Dusk Blue
#26538D
ΔE00 4.51
Dark Slate Blue
#214761
ΔE00 5.36
Denim (survey)
#3B638C
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255579 #794925
analogous
#257973 #255579 #252B79
triadic
#255579 #792555 #557925
tetradic
#255579 #732579 #794925 #2B7925
square
#255579 #732579 #794925 #2B7925
split-complementary
#255579 #79252B #797325
monochromatic
#08131B #17344A #255579 #3376A8 #4F95C9
Accessibility & contrast
On white
7.91
#255579 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#255579 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #255579
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255579 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255579 | 1.00 | 7.91 | 2.65 | 7.91 |
| #FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#45567B
Deuteranopia (green-blind)
#394E78
Tritanopia (blue-blind)
#005E62
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #255579; /* rgb */ color: rgb(37, 85, 121); /* oklch */ color: oklch(43.4% 0.079 243.8);
Tailwind
colors: {
custom: {
50: '#6a84a0',
500: '#255579',
950: '#000000',
},
}SCSS
$custom: #255579; $custom-light: #6a84a0; $custom-dark: #000000;
JSON
{
"hex": "#255579",
"rgb": {
"r": 37,
"g": 85,
"b": 121
},
"hsl": {
"h": 205.714,
"s": 53.165,
"l": 30.98
},
"oklch": {
"l": 0.43367,
"c": 0.07918,
"h": 243.8
},
"luminance": 0.08271
}Semantic roles & 50–950 ramp
primary
#255579
secondary
#AB764E
accent
#8A4BDD
background
#F6F8F9
surface
#ECEFF2
border
#C7CACC
text
#070B0E
muted
#7A7C7E