#537ED4#537ED4

#537ED4 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.140 H 262.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#537ED4
RGB	rgb(83, 126, 212)
HSL	hsl(220, 60%, 58%)
HSV	hsv(220, 61%, 83%)
CMYK	cmyk(60.8%, 40.6%, 0%, 16.9%)
CIE-LAB	lab(53.51, 11.57, -48.75)
CIE-LCH	lch(53.51, 50.11, 283.35°)
OKLab	oklab(60.29% -0.0174 -0.1387)
OKLCH	oklch(60.29% 0.14 262.8)
XYZ	xyz(22.9077, 21.5122, 65.2197)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ED4 #D4A953

analogous

#53BED4 #537ED4 #6853D4

triadic

#537ED4 #D4537E #7ED453

tetradic

#537ED4 #D453BE #D4A953 #53D468

square

#537ED4 #D453BE #D4A953 #53D468

split-complementary

#537ED4 #D46853 #BED453

monochromatic

#23458A #2F5EBB #537ED4 #84A3E0 #B5C7EC

Accessibility & contrast

On white

3.96

#537ED4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#537ED4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ED4

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ED4	#FFFFFF	#000000	##000000
##537ED4	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5886D7

Deuteranopia (green-blind)

#467AD2

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ed4;
/* rgb */ color: rgb(83, 126, 212);
/* oklch */ color: oklch(60.3% 0.140 262.8);

Tailwind

colors: {
  custom: {
    50: '#8ea2e2',
    500: '#537ed4',
    950: '#000000',
  },
}

SCSS

$custom: #537ed4;
$custom-light: #8ea2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ed4",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 212
  },
  "hsl": {
    "h": 220,
    "s": 60,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60294,
    "c": 0.13978,
    "h": 262.8
  },
  "luminance": 0.21514
}

Semantic roles & 50–950 ramp

primary

#537ED4

secondary

#DBCAA8

accent

#AE45E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537ED4

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

Preview Lab → · Contrast checker → · Palette generator →