#2553A9#2553A9

#2553A9 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.1% C 0.147 H 261.5°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#2553A9
RGB	rgb(37, 83, 169)
HSL	hsl(219, 64%, 40%)
HSV	hsv(219, 78%, 66%)
CMYK	cmyk(78.1%, 50.9%, 0%, 33.7%)
CIE-LAB	lab(36.82, 16.08, -50.68)
CIE-LCH	lch(36.82, 53.17, 287.61°)
OKLab	oklab(46.08% -0.0218 -0.1458)
OKLCH	oklch(46.08% 0.147 261.5)
XYZ	xyz(11.0151, 9.4431, 38.7706)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553A9 #A97B25

analogous

#2595A9 #2553A9 #3925A9

triadic

#2553A9 #A92553 #53A925

tetradic

#2553A9 #A92595 #A97B25 #25A939

square

#2553A9 #A92595 #A97B25 #25A939

split-complementary

#2553A9 #A93925 #95A925

monochromatic

#0F2245 #1A3A77 #2553A9 #386ED3 #6A93DE

Accessibility & contrast

On white

7.27

#2553A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2553A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553A9

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553A9	#FFFFFF	#000000	##FFFFFF
##2553A9	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5DAC

Deuteranopia (green-blind)

#0051A7

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2553a9;
/* rgb */ color: rgb(37, 83, 169);
/* oklch */ color: oklch(46.1% 0.147 261.5);

Tailwind

colors: {
  custom: {
    50: '#7482c3',
    500: '#2553a9',
    950: '#000000',
  },
}

SCSS

$custom: #2553a9;
$custom-light: #7482c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2553a9",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 169
  },
  "hsl": {
    "h": 219.091,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46077,
    "c": 0.14745,
    "h": 261.5
  },
  "luminance": 0.09444
}

Semantic roles & 50–950 ramp

primary

#2553A9

secondary

#C4A365

accent

#AD41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2553A9

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

Preview Lab → · Contrast checker → · Palette generator →