#2552B2#2552B2

#2552B2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.161 H 262.8°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2552B2
RGB	rgb(37, 82, 178)
HSL	hsl(221, 66%, 42%)
HSV	hsv(221, 79%, 70%)
CMYK	cmyk(79.2%, 53.9%, 0%, 30.2%)
CIE-LAB	lab(37.19, 20.26, -55.42)
CIE-LCH	lch(37.19, 59.01, 290.08°)
OKLab	oklab(46.56% -0.02 -0.1598)
OKLCH	oklch(46.56% 0.161 262.8)
XYZ	xyz(11.8132, 9.6409, 43.3491)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2552B2 #B28525

analogous

#2599B2 #2552B2 #3F25B2

triadic

#2552B2 #B22552 #52B225

tetradic

#2552B2 #B22599 #B28525 #25B23F

square

#2552B2 #B22599 #B28525 #25B23F

split-complementary

#2552B2 #B23F25 #99B225

monochromatic

#10234D #1A3B7F #2552B2 #3D6ED7 #7094E1

Accessibility & contrast

On white

7.17

#2552B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2552B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2552B2

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2552B2	#FFFFFF	#000000	##FFFFFF
##2552B2	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015EB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2552b2;
/* rgb */ color: rgb(37, 82, 178);
/* oklch */ color: oklch(46.6% 0.161 262.8);

Tailwind

colors: {
  custom: {
    50: '#7682ca',
    500: '#2552b2',
    950: '#000000',
  },
}

SCSS

$custom: #2552b2;
$custom-light: #7682ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2552b2",
  "rgb": {
    "r": 37,
    "g": 82,
    "b": 178
  },
  "hsl": {
    "h": 220.851,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46561,
    "c": 0.16104,
    "h": 262.8
  },
  "luminance": 0.09642
}

Semantic roles & 50–950 ramp

primary

#2552B2

secondary

#C8AA6B

accent

#B33FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2552B2

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

Preview Lab → · Contrast checker → · Palette generator →