#537CE6#537CE6

#537CE6 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.0% C 0.167 H 265.8°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#537CE6
RGB	rgb(83, 124, 230)
HSL	hsl(223, 75%, 61%)
HSV	hsv(223, 64%, 90%)
CMYK	cmyk(63.9%, 46.1%, 0%, 9.8%)
CIE-LAB	lab(53.99, 18.90, -58.10)
CIE-LCH	lch(53.99, 61.10, 288.02°)
OKLab	oklab(61% -0.0123 -0.1662)
OKLCH	oklch(61% 0.167 265.8)
XYZ	xyz(25.0529, 21.9652, 77.7670)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CE6 #E6BD53

analogous

#53C6E6 #537CE6 #7453E6

triadic

#537CE6 #E6537C #7CE653

tetradic

#537CE6 #E653C6 #E6BD53 #53E674

square

#537CE6 #E653C6 #E6BD53 #53E674

split-complementary

#537CE6 #E67453 #C6E653

monochromatic

#1840A6 #2054DC #537CE6 #88A5EE #BECDF6

Accessibility & contrast

On white

3.89

#537CE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#537CE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CE6

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CE6	#FFFFFF	#000000	##000000
##537CE6	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4788EA

Deuteranopia (green-blind)

#2C7BE4

Tritanopia (blue-blind)

#0094A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537ce6;
/* rgb */ color: rgb(83, 124, 230);
/* oklch */ color: oklch(61.0% 0.167 265.8);

Tailwind

colors: {
  custom: {
    50: '#91a1ee',
    500: '#537ce6',
    950: '#000000',
  },
}

SCSS

$custom: #537ce6;
$custom-light: #91a1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#537ce6",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 230
  },
  "hsl": {
    "h": 223.265,
    "s": 74.619,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60998,
    "c": 0.16662,
    "h": 265.8
  },
  "luminance": 0.21967
}

Semantic roles & 50–950 ramp

primary

#537CE6

secondary

#E6D7AF

accent

#9F0FD7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CE6

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

Preview Lab → · Contrast checker → · Palette generator →