#2552BB#2552BB
#2552BB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.3% C 0.173 H 263.6°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2552BB |
|---|---|
| RGB | rgb(37, 82, 187) |
| HSL | hsl(222, 67%, 44%) |
| HSV | hsv(222, 80%, 73%) |
| CMYK | cmyk(80.2%, 56.1%, 0%, 26.7%) |
| CIE-LAB | lab(37.87, 23.74, -59.62) |
| CIE-LCH | lch(37.87, 64.17, 291.71°) |
| OKLab | oklab(47.29% -0.0193 -0.1721) |
| OKLCH | oklch(47.29% 0.173 263.6) |
| XYZ | xyz(12.7467, 10.0142, 48.2652) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.52
Cobalt
#0047AB
ΔE00 4.21
Denim
#1560BD
ΔE00 5.61
Blue Blue
#2242C7
ΔE00 5.63
Denim Blue
#3B5B92
ΔE00 6.09
Dusk Blue
#26538D
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2552BB #BB8E25
analogous
#259DBB #2552BB #4325BB
triadic
#2552BB #BB2552 #52BB25
tetradic
#2552BB #BB259D #BB8E25 #25BB43
square
#2552BB #BB259D #BB8E25 #25BB43
split-complementary
#2552BB #BB4325 #9DBB25
monochromatic
#112555 #1B3C88 #2552BB #4370DA #7697E4
Accessibility & contrast
On white
6.99
#2552BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#2552BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2552BB
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2552BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2552BB | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0060BF
Deuteranopia (green-blind)
#0053B9
Tritanopia (blue-blind)
#006C7E
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #2552bb; /* rgb */ color: rgb(37, 82, 187); /* oklch */ color: oklch(47.3% 0.173 263.6);
Tailwind
colors: {
custom: {
50: '#7882d0',
500: '#2552bb',
950: '#000000',
},
}SCSS
$custom: #2552bb; $custom-light: #7882d0; $custom-dark: #000000;
JSON
{
"hex": "#2552bb",
"rgb": {
"r": 37,
"g": 82,
"b": 187
},
"hsl": {
"h": 222,
"s": 66.964,
"l": 43.922
},
"oklch": {
"l": 0.47288,
"c": 0.1732,
"h": 263.6
},
"luminance": 0.10016
}Semantic roles & 50–950 ramp
primary
#2552BB
secondary
#CBB070
accent
#B63EEA
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0A14
muted
#7C7C82