#537EE6#537EE6

#537EE6 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.4% C 0.164 H 265.0°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#537EE6
RGB	rgb(83, 126, 230)
HSL	hsl(222, 75%, 61%)
HSV	hsv(222, 64%, 90%)
CMYK	cmyk(63.9%, 45.2%, 0%, 9.8%)
CIE-LAB	lab(54.52, 17.68, -57.25)
CIE-LCH	lch(54.52, 59.92, 287.16°)
OKLab	oklab(61.41% -0.0142 -0.1636)
OKLCH	oklch(61.41% 0.164 265)
XYZ	xyz(25.3061, 22.4715, 77.8514)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EE6 #E6BB53

analogous

#53C8E6 #537EE6 #7253E6

triadic

#537EE6 #E6537E #7EE653

tetradic

#537EE6 #E653C8 #E6BB53 #53E672

square

#537EE6 #E653C8 #E6BB53 #53E672

split-complementary

#537EE6 #E67253 #C8E653

monochromatic

#1842A6 #2057DC #537EE6 #88A6EE #BECEF6

Accessibility & contrast

On white

3.82

#537EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#537EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE6

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EE6	#FFFFFF	#000000	##000000
##537EE6	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8AEA

Deuteranopia (green-blind)

#317CE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537ee6;
/* rgb */ color: rgb(83, 126, 230);
/* oklch */ color: oklch(61.4% 0.164 265.0);

Tailwind

colors: {
  custom: {
    50: '#91a2ee',
    500: '#537ee6',
    950: '#000000',
  },
}

SCSS

$custom: #537ee6;
$custom-light: #91a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#537ee6",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 230
  },
  "hsl": {
    "h": 222.449,
    "s": 74.619,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61407,
    "c": 0.16424,
    "h": 265
  },
  "luminance": 0.22474
}

Semantic roles & 50–950 ramp

primary

#537EE6

secondary

#E6D6AF

accent

#9C0FD7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537EE6

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

Preview Lab → · Contrast checker → · Palette generator →