#537EE0#537EE0

#537EE0 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.156 H 264.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#537EE0
RGB	rgb(83, 126, 224)
HSL	hsl(222, 69%, 60%)
HSV	hsv(222, 63%, 88%)
CMYK	cmyk(62.9%, 43.7%, 0%, 12.2%)
CIE-LAB	lab(54.18, 15.63, -54.44)
CIE-LCH	lch(54.18, 56.64, 286.02°)
OKLab	oklab(61.03% -0.0152 -0.1554)
OKLCH	oklch(61.03% 0.156 264.4)
XYZ	xyz(24.4780, 22.1403, 73.4901)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EE0 #E0B553

analogous

#53C5E0 #537EE0 #6E53E0

triadic

#537EE0 #E0537E #7EE053

tetradic

#537EE0 #E053C5 #E0B553 #53E06E

square

#537EE0 #E053C5 #E0B553 #53E06E

split-complementary

#537EE0 #E06E53 #C5E053

monochromatic

#1C439C #265AD0 #537EE0 #87A5E9 #BBCCF3

Accessibility & contrast

On white

3.87

#537EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#537EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE0

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EE0	#FFFFFF	#000000	##000000
##537EE0	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5088E4

Deuteranopia (green-blind)

#397CDE

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537ee0;
/* rgb */ color: rgb(83, 126, 224);
/* oklch */ color: oklch(61.0% 0.156 264.4);

Tailwind

colors: {
  custom: {
    50: '#90a2ea',
    500: '#537ee0',
    950: '#000000',
  },
}

SCSS

$custom: #537ee0;
$custom-light: #90a2ea;
$custom-dark: #000000;

JSON

{
  "hex": "#537ee0",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 221.702,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.61027,
    "c": 0.15613,
    "h": 264.4
  },
  "luminance": 0.22143
}

Semantic roles & 50–950 ramp

primary

#537EE0

secondary

#E2D2AC

accent

#9814D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537EE0

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

Preview Lab → · Contrast checker → · Palette generator →