#537CDF#537CDF

#537CDF is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.6% C 0.157 H 265.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#537CDF
RGB	rgb(83, 124, 223)
HSL	hsl(222, 69%, 60%)
HSV	hsv(222, 63%, 87%)
CMYK	cmyk(62.8%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(53.58, 16.52, -54.84)
CIE-LCH	lch(53.58, 57.27, 286.76°)
OKLab	oklab(60.55% -0.0134 -0.1566)
OKLCH	oklch(60.55% 0.157 265.1)
XYZ	xyz(24.0896, 21.5798, 72.6936)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CDF #DFB653

analogous

#53C2DF #537CDF #7053DF

triadic

#537CDF #DF537C #7CDF53

tetradic

#537CDF #DF53C2 #DFB653 #53DF70

square

#537CDF #DF53C2 #DFB653 #53DF70

split-complementary

#537CDF #DF7053 #C2DF53

monochromatic

#1D429B #2658CE #537CDF #87A3E9 #BACBF2

Accessibility & contrast

On white

3.95

#537CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#537CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CDF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CDF	#FFFFFF	#000000	##000000
##537CDF	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D87E3

Deuteranopia (green-blind)

#367ADD

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537cdf;
/* rgb */ color: rgb(83, 124, 223);
/* oklch */ color: oklch(60.6% 0.157 265.1);

Tailwind

colors: {
  custom: {
    50: '#90a1e9',
    500: '#537cdf',
    950: '#000000',
  },
}

SCSS

$custom: #537cdf;
$custom-light: #90a1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#537cdf",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 222.429,
    "s": 68.627,
    "l": 60
  },
  "oklch": {
    "l": 0.6055,
    "c": 0.15714,
    "h": 265.1
  },
  "luminance": 0.21582
}

Semantic roles & 50–950 ramp

primary

#537CDF

secondary

#E2D2AC

accent

#B83CEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CDF

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

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