#537ED7#537ED7

#537ED7 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.144 H 263.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#537ED7
RGB	rgb(83, 126, 215)
HSL	hsl(220, 62%, 58%)
HSV	hsv(220, 61%, 84%)
CMYK	cmyk(61.4%, 41.4%, 0%, 15.7%)
CIE-LAB	lab(53.67, 12.58, -50.19)
CIE-LCH	lch(53.67, 51.74, 284.07°)
OKLab	oklab(60.47% -0.0168 -0.1429)
OKLCH	oklch(60.47% 0.144 263.3)
XYZ	xyz(23.2896, 21.6649, 67.2312)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ED7 #D7AC53

analogous

#53C0D7 #537ED7 #6A53D7

triadic

#537ED7 #D7537E #7ED753

tetradic

#537ED7 #D753C0 #D7AC53 #53D76A

square

#537ED7 #D753C0 #D7AC53 #53D76A

split-complementary

#537ED7 #D76A53 #C0D753

monochromatic

#21458E #2D5DC0 #537ED7 #85A3E3 #B6C8EE

Accessibility & contrast

On white

3.94

#537ED7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#537ED7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ED7

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ED7	#FFFFFF	#000000	##000000
##537ED7	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5687DA

Deuteranopia (green-blind)

#437BD5

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ed7;
/* rgb */ color: rgb(83, 126, 215);
/* oklch */ color: oklch(60.5% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#8fa2e4',
    500: '#537ed7',
    950: '#000000',
  },
}

SCSS

$custom: #537ed7;
$custom-light: #8fa2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#537ed7",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 215
  },
  "hsl": {
    "h": 220.455,
    "s": 62.264,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60474,
    "c": 0.14387,
    "h": 263.3
  },
  "luminance": 0.21667
}

Semantic roles & 50–950 ramp

primary

#537ED7

secondary

#DDCCA9

accent

#B042E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0F15

muted

#7E7E84

Preview Lab

Preview with #537ED7

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

Preview Lab → · Contrast checker → · Palette generator →