#537CD7#537CD7

#537CD7 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.1% C 0.146 H 264.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#537CD7
RGB	rgb(83, 124, 215)
HSL	hsl(221, 62%, 58%)
HSV	hsv(221, 61%, 84%)
CMYK	cmyk(61.4%, 42.3%, 0%, 15.7%)
CIE-LAB	lab(53.12, 13.80, -51.06)
CIE-LCH	lch(53.12, 52.89, 285.12°)
OKLab	oklab(60.05% -0.0147 -0.1455)
OKLCH	oklch(60.05% 0.146 264.2)
XYZ	xyz(23.0364, 21.1586, 67.1468)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CD7 #D7AE53

analogous

#53BED7 #537CD7 #6C53D7

triadic

#537CD7 #D7537C #7CD753

tetradic

#537CD7 #D753BE #D7AE53 #53D76C

square

#537CD7 #D753BE #D7AE53 #53D76C

split-complementary

#537CD7 #D76C53 #BED753

monochromatic

#21438E #2D5AC0 #537CD7 #85A2E3 #B6C8EE

Accessibility & contrast

On white

4.01

#537CD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#537CD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CD7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CD7	#FFFFFF	#000000	##000000
##537CD7	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5385DB

Deuteranopia (green-blind)

#3F79D5

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537cd7;
/* rgb */ color: rgb(83, 124, 215);
/* oklch */ color: oklch(60.1% 0.146 264.2);

Tailwind

colors: {
  custom: {
    50: '#8fa1e4',
    500: '#537cd7',
    950: '#000000',
  },
}

SCSS

$custom: #537cd7;
$custom-light: #8fa1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#537cd7",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 215
  },
  "hsl": {
    "h": 221.364,
    "s": 62.264,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60052,
    "c": 0.14623,
    "h": 264.2
  },
  "luminance": 0.21161
}

Semantic roles & 50–950 ramp

primary

#537CD7

secondary

#DDCDA9

accent

#B342E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E15

muted

#7E7E84

Preview Lab

Preview with #537CD7

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

Preview Lab → · Contrast checker → · Palette generator →