#537CE7#537CE7

#537CE7 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.168 H 265.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#537CE7
RGB	rgb(83, 124, 231)
HSL	hsl(223, 76%, 62%)
HSV	hsv(223, 64%, 91%)
CMYK	cmyk(64.1%, 46.3%, 0%, 9.4%)
CIE-LAB	lab(54.05, 19.25, -58.57)
CIE-LCH	lch(54.05, 61.65, 288.19°)
OKLab	oklab(61.06% -0.0121 -0.1675)
OKLCH	oklch(61.06% 0.168 265.9)
XYZ	xyz(25.1937, 22.0215, 78.5087)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CE7 #E7BE53

analogous

#53C6E7 #537CE7 #7453E7

triadic

#537CE7 #E7537C #7CE753

tetradic

#537CE7 #E753C6 #E7BE53 #53E774

square

#537CE7 #E753C6 #E7BE53 #53E774

split-complementary

#537CE7 #E77453 #C6E753

monochromatic

#1740A8 #1F54DE #537CE7 #89A5EE #BECEF6

Accessibility & contrast

On white

3.89

#537CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#537CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CE7

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CE7	#FFFFFF	#000000	##000000
##537CE7	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4688EB

Deuteranopia (green-blind)

#2A7BE5

Tritanopia (blue-blind)

#0095A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537ce7;
/* rgb */ color: rgb(83, 124, 231);
/* oklch */ color: oklch(61.1% 0.168 265.9);

Tailwind

colors: {
  custom: {
    50: '#91a1ef',
    500: '#537ce7',
    950: '#000000',
  },
}

SCSS

$custom: #537ce7;
$custom-light: #91a1ef;
$custom-dark: #000000;

JSON

{
  "hex": "#537ce7",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 231
  },
  "hsl": {
    "h": 223.378,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61063,
    "c": 0.16797,
    "h": 265.9
  },
  "luminance": 0.22024
}

Semantic roles & 50–950 ramp

primary

#537CE7

secondary

#E6D7AF

accent

#A00ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CE7

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

Preview Lab → · Contrast checker → · Palette generator →