#2552B7#2552B7

#2552B7 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.168 H 263.3°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2552B7
RGB	rgb(37, 82, 183)
HSL	hsl(222, 66%, 43%)
HSV	hsv(222, 80%, 72%)
CMYK	cmyk(79.8%, 55.2%, 0%, 28.2%)
CIE-LAB	lab(37.56, 22.20, -57.77)
CIE-LCH	lch(37.56, 61.88, 291.02°)
OKLab	oklab(46.96% -0.0196 -0.1667)
OKLCH	oklch(46.96% 0.168 263.3)
XYZ	xyz(12.3244, 9.8453, 46.0414)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2552B7 #B78A25

analogous

#259BB7 #2552B7 #4125B7

triadic

#2552B7 #B72552 #52B725

tetradic

#2552B7 #B7259B #B78A25 #25B741

square

#2552B7 #B7259B #B78A25 #25B741

split-complementary

#2552B7 #B74125 #9BB725

monochromatic

#102451 #1B3B84 #2552B7 #416FD9 #7496E3

Accessibility & contrast

On white

7.07

#2552B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2552B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2552B7

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2552B7	#FFFFFF	#000000	##FFFFFF
##2552B7	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBB

Deuteranopia (green-blind)

#0052B5

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2552b7;
/* rgb */ color: rgb(37, 82, 183);
/* oklch */ color: oklch(47.0% 0.168 263.3);

Tailwind

colors: {
  custom: {
    50: '#7782cd',
    500: '#2552b7',
    950: '#000000',
  },
}

SCSS

$custom: #2552b7;
$custom-light: #7782cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2552b7",
  "rgb": {
    "r": 37,
    "g": 82,
    "b": 183
  },
  "hsl": {
    "h": 221.507,
    "s": 66.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46962,
    "c": 0.16782,
    "h": 263.3
  },
  "luminance": 0.09847
}

Semantic roles & 50–950 ramp

primary

#2552B7

secondary

#CAAE6E

accent

#B53FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2552B7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →