#537ADD#537ADD

#537ADD is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.0% C 0.157 H 265.7°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#537ADD
RGB	rgb(83, 122, 221)
HSL	hsl(223, 67%, 60%)
HSV	hsv(223, 62%, 87%)
CMYK	cmyk(62.4%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(52.92, 17.06, -54.76)
CIE-LCH	lch(52.92, 57.36, 287.31°)
OKLab	oklab(60.01% -0.0117 -0.1564)
OKLCH	oklch(60.01% 0.157 265.7)
XYZ	xyz(23.5735, 20.9764, 71.1992)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ADD #DDB653

analogous

#53BFDD #537ADD #7153DD

triadic

#537ADD #DD537A #7ADD53

tetradic

#537ADD #DD53BF #DDB653 #53DD71

square

#537ADD #DD53BF #DDB653 #53DD71

split-complementary

#537ADD #DD7153 #BFDD53

monochromatic

#1E4098 #2856CB #537ADD #86A2E7 #B9C9F1

Accessibility & contrast

On white

4.04

#537ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#537ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ADD

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ADD	#FFFFFF	#000000	##000000
##537ADD	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B85E1

Deuteranopia (green-blind)

#3478DB

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537add;
/* rgb */ color: rgb(83, 122, 221);
/* oklch */ color: oklch(60.0% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#90a0e8',
    500: '#537add',
    950: '#000000',
  },
}

SCSS

$custom: #537add;
$custom-light: #90a0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#537add",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 223.043,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.6001,
    "c": 0.15681,
    "h": 265.7
  },
  "luminance": 0.20979
}

Semantic roles & 50–950 ramp

primary

#537ADD

secondary

#E1D2AB

accent

#B93EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537ADD

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

Preview Lab → · Contrast checker → · Palette generator →