#2B53A9#2B53A9

#2B53A9 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.146 H 263.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B53A9
RGB	rgb(43, 83, 169)
HSL	hsl(221, 59%, 42%)
HSV	hsv(221, 75%, 66%)
CMYK	cmyk(74.6%, 50.9%, 0%, 33.7%)
CIE-LAB	lab(37.05, 16.83, -50.31)
CIE-LCH	lch(37.05, 53.05, 288.50°)
OKLab	oklab(46.31% -0.0174 -0.1446)
OKLCH	oklch(46.31% 0.146 263.1)
XYZ	xyz(11.2484, 9.5634, 38.7815)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B53A9 #A9812B

analogous

#2B92A9 #2B53A9 #422BA9

triadic

#2B53A9 #A92B53 #53A92B

tetradic

#2B53A9 #A92B92 #A9812B #2BA942

square

#2B53A9 #A92B92 #A9812B #2BA942

split-complementary

#2B53A9 #A9422B #92A92B

monochromatic

#122347 #1F3B78 #2B53A9 #426FCF #7394DB

Accessibility & contrast

On white

7.21

#2B53A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2B53A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B53A9

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B53A9	#FFFFFF	#000000	##FFFFFF
##2B53A9	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)

#1F5DAC

Deuteranopia (green-blind)

#0052A7

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b53a9;
/* rgb */ color: rgb(43, 83, 169);
/* oklch */ color: oklch(46.3% 0.146 263.1);

Tailwind

colors: {
  custom: {
    50: '#7682c3',
    500: '#2b53a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b53a9;
$custom-light: #7682c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b53a9",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 169
  },
  "hsl": {
    "h": 220.952,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4631,
    "c": 0.14567,
    "h": 263.1
  },
  "luminance": 0.09565
}

Semantic roles & 50–950 ramp

primary

#2B53A9

secondary

#C3A86D

accent

#B145E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2B53A9

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

Preview Lab → · Contrast checker → · Palette generator →