#2F53AB#2F53AB

#2F53AB is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.147 H 264.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F53AB
RGB	rgb(47, 83, 171)
HSL	hsl(223, 57%, 43%)
HSV	hsv(223, 73%, 67%)
CMYK	cmyk(72.5%, 51.5%, 0%, 32.9%)
CIE-LAB	lab(37.35, 18.14, -51.00)
CIE-LCH	lch(37.35, 54.13, 289.58°)
OKLab	oklab(46.63% -0.0139 -0.1466)
OKLCH	oklch(46.63% 0.147 264.6)
XYZ	xyz(11.6136, 9.7299, 39.7862)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53AB #AB872F

analogous

#2F91AB #2F53AB #492FAB

triadic

#2F53AB #AB2F53 #53AB2F

tetradic

#2F53AB #AB2F91 #AB872F #2FAB49

square

#2F53AB #AB2F91 #AB872F #2FAB49

split-complementary

#2F53AB #AB492F #91AB2F

monochromatic

#15244B #223C7B #2F53AB #4A70CD #7A96DA

Accessibility & contrast

On white

7.13

#2F53AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2F53AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F53AB

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53AB	#FFFFFF	#000000	##FFFFFF
##2F53AB	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5EAE

Deuteranopia (green-blind)

#0053A9

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f53ab;
/* rgb */ color: rgb(47, 83, 171);
/* oklch */ color: oklch(46.6% 0.147 264.6);

Tailwind

colors: {
  custom: {
    50: '#7882c5',
    500: '#2f53ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f53ab;
$custom-light: #7882c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53ab",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 222.581,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.46633,
    "c": 0.14723,
    "h": 264.6
  },
  "luminance": 0.09731
}

Semantic roles & 50–950 ramp

primary

#2F53AB

secondary

#C3AC73

accent

#B448E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F53AB

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

Preview Lab → · Contrast checker → · Palette generator →