#537BE6#537BE6

#537BE6 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.168 H 266.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#537BE6
RGB	rgb(83, 123, 230)
HSL	hsl(224, 75%, 61%)
HSV	hsv(224, 64%, 90%)
CMYK	cmyk(63.9%, 46.5%, 0%, 9.8%)
CIE-LAB	lab(53.72, 19.52, -58.53)
CIE-LCH	lch(53.72, 61.70, 288.44°)
OKLab	oklab(60.8% -0.0113 -0.1674)
OKLCH	oklch(60.8% 0.168 266.1)
XYZ	xyz(24.9282, 21.7158, 77.7254)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BE6 #E6BE53

analogous

#53C5E6 #537BE6 #7553E6

triadic

#537BE6 #E6537B #7BE653

tetradic

#537BE6 #E653C5 #E6BE53 #53E675

square

#537BE6 #E653C5 #E6BE53 #53E675

split-complementary

#537BE6 #E67553 #C5E653

monochromatic

#183FA6 #2053DC #537BE6 #88A4EE #BECDF6

Accessibility & contrast

On white

3.93

#537BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#537BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BE6

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BE6	#FFFFFF	#000000	##000000
##537BE6	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4587EA

Deuteranopia (green-blind)

#297AE4

Tritanopia (blue-blind)

#0094A5

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537be6;
/* rgb */ color: rgb(83, 123, 230);
/* oklch */ color: oklch(60.8% 0.168 266.1);

Tailwind

colors: {
  custom: {
    50: '#91a0ee',
    500: '#537be6',
    950: '#000000',
  },
}

SCSS

$custom: #537be6;
$custom-light: #91a0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#537be6",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 230
  },
  "hsl": {
    "h": 223.673,
    "s": 74.619,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60795,
    "c": 0.16782,
    "h": 266.1
  },
  "luminance": 0.21718
}

Semantic roles & 50–950 ramp

primary

#537BE6

secondary

#E6D7AF

accent

#A00FD7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537BE6

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

Preview Lab → · Contrast checker → · Palette generator →