#2553AD#2553AD

#2553AD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.4% C 0.153 H 262.0°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#2553AD
RGB	rgb(37, 83, 173)
HSL	hsl(220, 65%, 41%)
HSV	hsv(220, 79%, 68%)
CMYK	cmyk(78.6%, 52%, 0%, 32.2%)
CIE-LAB	lab(37.11, 17.65, -52.60)
CIE-LCH	lch(37.11, 55.48, 288.55°)
OKLab	oklab(46.38% -0.0213 -0.1515)
OKLCH	oklch(46.38% 0.153 262)
XYZ	xyz(11.3963, 9.5956, 40.7786)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553AD #AD7F25

analogous

#2597AD #2553AD #3B25AD

triadic

#2553AD #AD2553 #53AD25

tetradic

#2553AD #AD2597 #AD7F25 #25AD3B

square

#2553AD #AD2597 #AD7F25 #25AD3B

split-complementary

#2553AD #AD3B25 #97AD25

monochromatic

#0F2348 #1A3B7B #2553AD #3A6FD5 #6D94E0

Accessibility & contrast

On white

7.19

#2553AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2553AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553AD

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553AD	#FFFFFF	#000000	##FFFFFF
##2553AD	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)

#165EB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2553ad;
/* rgb */ color: rgb(37, 83, 173);
/* oklch */ color: oklch(46.4% 0.153 262.0);

Tailwind

colors: {
  custom: {
    50: '#7582c6',
    500: '#2553ad',
    950: '#000000',
  },
}

SCSS

$custom: #2553ad;
$custom-light: #7582c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2553ad",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 173
  },
  "hsl": {
    "h": 219.706,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46383,
    "c": 0.15296,
    "h": 262
  },
  "luminance": 0.09597
}

Semantic roles & 50–950 ramp

primary

#2553AD

secondary

#C6A668

accent

#AF40E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2553AD

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

Preview Lab → · Contrast checker → · Palette generator →