#537ADF#537ADF

#537ADF is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.1% C 0.160 H 265.9°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#537ADF
RGB	rgb(83, 122, 223)
HSL	hsl(223, 69%, 60%)
HSV	hsv(223, 63%, 87%)
CMYK	cmyk(62.8%, 45.3%, 0%, 12.5%)
CIE-LAB	lab(53.04, 17.74, -55.70)
CIE-LCH	lch(53.04, 58.46, 287.67°)
OKLab	oklab(60.14% -0.0114 -0.1591)
OKLCH	oklch(60.14% 0.16 265.9)
XYZ	xyz(23.8415, 21.0836, 72.6109)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ADF #DFB853

analogous

#53C0DF #537ADF #7253DF

triadic

#537ADF #DF537A #7ADF53

tetradic

#537ADF #DF53C0 #DFB853 #53DF72

square

#537ADF #DF53C0 #DFB853 #53DF72

split-complementary

#537ADF #DF7253 #C0DF53

monochromatic

#1D409B #2655CE #537ADF #87A2E9 #BACAF2

Accessibility & contrast

On white

4.03

#537ADF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#537ADF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ADF

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ADF	#FFFFFF	#000000	##000000
##537ADF	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4985E3

Deuteranopia (green-blind)

#3179DD

Tritanopia (blue-blind)

#0091A2

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537adf;
/* rgb */ color: rgb(83, 122, 223);
/* oklch */ color: oklch(60.1% 0.160 265.9);

Tailwind

colors: {
  custom: {
    50: '#90a0e9',
    500: '#537adf',
    950: '#000000',
  },
}

SCSS

$custom: #537adf;
$custom-light: #90a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#537adf",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 223
  },
  "hsl": {
    "h": 223.286,
    "s": 68.627,
    "l": 60
  },
  "oklch": {
    "l": 0.60138,
    "c": 0.15954,
    "h": 265.9
  },
  "luminance": 0.21086
}

Semantic roles & 50–950 ramp

primary

#537ADF

secondary

#E2D3AC

accent

#BB3CEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537ADF

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

Preview Lab → · Contrast checker → · Palette generator →