#2B53AB#2B53AB

#2B53AB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.148 H 263.4°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B53AB
RGB	rgb(43, 83, 171)
HSL	hsl(221, 60%, 42%)
HSV	hsv(221, 75%, 67%)
CMYK	cmyk(74.9%, 51.5%, 0%, 32.9%)
CIE-LAB	lab(37.19, 17.60, -51.27)
CIE-LCH	lch(37.19, 54.21, 288.94°)
OKLab	oklab(46.46% -0.0171 -0.1475)
OKLCH	oklch(46.46% 0.148 263.4)
XYZ	xyz(11.4376, 9.6391, 39.7779)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B53AB #AB832B

analogous

#2B93AB #2B53AB #432BAB

triadic

#2B53AB #AB2B53 #53AB2B

tetradic

#2B53AB #AB2B93 #AB832B #2BAB43

square

#2B53AB #AB2B93 #AB832B #2BAB43

split-complementary

#2B53AB #AB432B #93AB2B

monochromatic

#122449 #1F3B7A #2B53AB #436FD0 #7495DC

Accessibility & contrast

On white

7.17

#2B53AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2B53AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B53AB

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B53AB	#FFFFFF	#000000	##FFFFFF
##2B53AB	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5EAE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b53ab;
/* rgb */ color: rgb(43, 83, 171);
/* oklch */ color: oklch(46.5% 0.148 263.4);

Tailwind

colors: {
  custom: {
    50: '#7682c5',
    500: '#2b53ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b53ab;
$custom-light: #7682c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b53ab",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 221.25,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46461,
    "c": 0.14845,
    "h": 263.4
  },
  "luminance": 0.0964
}

Semantic roles & 50–950 ramp

primary

#2B53AB

secondary

#C4A96E

accent

#B245E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B53AB

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

Preview Lab → · Contrast checker → · Palette generator →