#2552B1#2552B1
#2552B1 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.160 H 262.8°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #2552B1 |
|---|---|
| RGB | rgb(37, 82, 177) |
| HSL | hsl(221, 65%, 42%) |
| HSV | hsv(221, 79%, 69%) |
| CMYK | cmyk(79.1%, 53.7%, 0%, 30.6%) |
| CIE-LAB | lab(37.12, 19.87, -54.95) |
| CIE-LCH | lch(37.12, 58.43, 289.88°) |
| OKLab | oklab(46.48% -0.0201 -0.1584) |
| OKLCH | oklch(46.48% 0.16 262.8) |
| XYZ | xyz(11.7132, 9.6009, 42.8223) |
| Luminance | 0.0960 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.43
Cobalt
#0047AB
ΔE00 3.66
Dusk Blue
#26538D
ΔE00 4.94
Denim Blue
#3B5B92
ΔE00 5.12
Cobalt (survey)
#1E488F
ΔE00 5.31
Denim
#1560BD
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2552B1 #B18425
analogous
#2598B1 #2552B1 #3E25B1
triadic
#2552B1 #B12552 #52B125
tetradic
#2552B1 #B12598 #B18425 #25B13E
square
#2552B1 #B12598 #B18425 #25B13E
split-complementary
#2552B1 #B13E25 #98B125
monochromatic
#10234C #1A3B7E #2552B1 #3D6ED6 #6F94E1
Accessibility & contrast
On white
7.19
#2552B1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.92
#2552B1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2552B1
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2552B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2552B1 | 1.00 | 7.19 | 2.92 | 7.19 |
| #FFFFFF | 7.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#055EB4
Deuteranopia (green-blind)
#0051AF
Tritanopia (blue-blind)
#006979
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #2552b1; /* rgb */ color: rgb(37, 82, 177); /* oklch */ color: oklch(46.5% 0.160 262.8);
Tailwind
colors: {
custom: {
50: '#7682c9',
500: '#2552b1',
950: '#000000',
},
}SCSS
$custom: #2552b1; $custom-light: #7682c9; $custom-dark: #000000;
JSON
{
"hex": "#2552b1",
"rgb": {
"r": 37,
"g": 82,
"b": 177
},
"hsl": {
"h": 220.714,
"s": 65.421,
"l": 41.961
},
"oklch": {
"l": 0.46482,
"c": 0.15968,
"h": 262.8
},
"luminance": 0.09602
}Semantic roles & 50–950 ramp
primary
#2552B1
secondary
#C8AA6A
accent
#B23FE8
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82