#2553AC#2553AC

#2553AC is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.152 H 261.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#2553AC
RGB	rgb(37, 83, 172)
HSL	hsl(220, 65%, 41%)
HSV	hsv(220, 78%, 67%)
CMYK	cmyk(78.5%, 51.7%, 0%, 32.5%)
CIE-LAB	lab(37.04, 17.26, -52.12)
CIE-LCH	lch(37.04, 54.90, 288.32°)
OKLab	oklab(46.31% -0.0215 -0.1501)
OKLCH	oklch(46.31% 0.152 261.9)
XYZ	xyz(11.2999, 9.5571, 40.2709)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553AC #AC7E25

analogous

#2596AC #2553AC #3B25AC

triadic

#2553AC #AC2553 #53AC25

tetradic

#2553AC #AC2596 #AC7E25 #25AC3B

square

#2553AC #AC2596 #AC7E25 #25AC3B

split-complementary

#2553AC #AC3B25 #96AC25

monochromatic

#0F2247 #1A3B7A #2553AC #3A6ED5 #6C93DF

Accessibility & contrast

On white

7.21

#2553AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2553AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553AC

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553AC	#FFFFFF	#000000	##FFFFFF
##2553AC	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185EAF

Deuteranopia (green-blind)

#0051AA

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2553ac;
/* rgb */ color: rgb(37, 83, 172);
/* oklch */ color: oklch(46.3% 0.152 261.9);

Tailwind

colors: {
  custom: {
    50: '#7582c5',
    500: '#2553ac',
    950: '#000000',
  },
}

SCSS

$custom: #2553ac;
$custom-light: #7582c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2553ac",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 172
  },
  "hsl": {
    "h": 219.556,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.46306,
    "c": 0.15159,
    "h": 261.9
  },
  "luminance": 0.09558
}

Semantic roles & 50–950 ramp

primary

#2553AC

secondary

#C6A567

accent

#AF40E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2553AC

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

Preview Lab → · Contrast checker → · Palette generator →