#537CDE#537CDE

#537CDE is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.5% C 0.156 H 265.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#537CDE
RGB	rgb(83, 124, 222)
HSL	hsl(222, 68%, 60%)
HSV	hsv(222, 63%, 87%)
CMYK	cmyk(62.6%, 44.1%, 0%, 12.9%)
CIE-LAB	lab(53.52, 16.18, -54.37)
CIE-LCH	lch(53.52, 56.72, 286.57°)
OKLab	oklab(60.49% -0.0135 -0.1552)
OKLCH	oklch(60.49% 0.156 265)
XYZ	xyz(23.9552, 21.5261, 71.9856)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CDE #DEB553

analogous

#53C2DE #537CDE #6F53DE

triadic

#537CDE #DE537C #7CDE53

tetradic

#537CDE #DE53C2 #DEB553 #53DE6F

square

#537CDE #DE53C2 #DEB553 #53DE6F

split-complementary

#537CDE #DE6F53 #C2DE53

monochromatic

#1D4299 #2758CD #537CDE #86A3E8 #BACAF2

Accessibility & contrast

On white

3.96

#537CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#537CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CDE

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CDE	#FFFFFF	#000000	##000000
##537CDE	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E87E2

Deuteranopia (green-blind)

#377ADC

Tritanopia (blue-blind)

#0092A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537cde;
/* rgb */ color: rgb(83, 124, 222);
/* oklch */ color: oklch(60.5% 0.156 265.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#537cde",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 222
  },
  "hsl": {
    "h": 222.302,
    "s": 67.805,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60487,
    "c": 0.15578,
    "h": 265
  },
  "luminance": 0.21528
}

Semantic roles & 50–950 ramp

primary

#537CDE

secondary

#E1D1AC

accent

#B73DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CDE

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

Preview Lab → · Contrast checker → · Palette generator →