#2553AA#2553AA

#2553AA is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.2% C 0.149 H 261.6°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#2553AA
RGB	rgb(37, 83, 170)
HSL	hsl(219, 64%, 41%)
HSV	hsv(219, 78%, 67%)
CMYK	cmyk(78.2%, 51.2%, 0%, 33.3%)
CIE-LAB	lab(36.89, 16.48, -51.16)
CIE-LCH	lch(36.89, 53.75, 287.85°)
OKLab	oklab(46.15% -0.0217 -0.1472)
OKLCH	oklch(46.15% 0.149 261.6)
XYZ	xyz(11.1093, 9.4808, 39.2669)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553AA #AA7C25

analogous

#2595AA #2553AA #3925AA

triadic

#2553AA #AA2553 #53AA25

tetradic

#2553AA #AA2595 #AA7C25 #25AA39

square

#2553AA #AA2595 #AA7C25 #25AA39

split-complementary

#2553AA #AA3925 #95AA25

monochromatic

#0F2245 #1A3A78 #2553AA #386ED4 #6B93DF

Accessibility & contrast

On white

7.25

#2553AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#2553AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553AA

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553AA	#FFFFFF	#000000	##FFFFFF
##2553AA	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5DAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2553aa;
/* rgb */ color: rgb(37, 83, 170);
/* oklch */ color: oklch(46.2% 0.149 261.6);

Tailwind

colors: {
  custom: {
    50: '#7482c4',
    500: '#2553aa',
    950: '#000000',
  },
}

SCSS

$custom: #2553aa;
$custom-light: #7482c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2553aa",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 170
  },
  "hsl": {
    "h": 219.248,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46153,
    "c": 0.14882,
    "h": 261.6
  },
  "luminance": 0.09482
}

Semantic roles & 50–950 ramp

primary

#2553AA

secondary

#C5A466

accent

#AE41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2553AA

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

Preview Lab → · Contrast checker → · Palette generator →