#537AE9#537AE9

#537AE9 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.8% C 0.173 H 266.7°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#537AE9
RGB	rgb(83, 122, 233)
HSL	hsl(224, 77%, 62%)
HSV	hsv(224, 64%, 91%)
CMYK	cmyk(64.4%, 47.6%, 0%, 8.6%)
CIE-LAB	lab(53.64, 21.16, -60.34)
CIE-LCH	lch(53.64, 63.94, 289.32°)
OKLab	oklab(60.79% -0.01 -0.1728)
OKLCH	oklch(60.79% 0.173 266.7)
XYZ	xyz(25.2297, 21.6389, 79.9221)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AE9 #E9C253

analogous

#53C5E9 #537AE9 #7753E9

triadic

#537AE9 #E9537A #7AE953

tetradic

#537AE9 #E953C5 #E9C253 #53E977

square

#537AE9 #E953C5 #E9C253 #53E977

split-complementary

#537AE9 #E97753 #C5E953

monochromatic

#163DAC #1D50E2 #537AE9 #89A4F0 #C0CEF7

Accessibility & contrast

On white

3.94

#537AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#537AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AE9

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AE9	#FFFFFF	#000000	##000000
##537AE9	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4087ED

Deuteranopia (green-blind)

#1F7AE7

Tritanopia (blue-blind)

#0094A6

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ae9;
/* rgb */ color: rgb(83, 122, 233);
/* oklch */ color: oklch(60.8% 0.173 266.7);

Tailwind

colors: {
  custom: {
    50: '#929ff1',
    500: '#537ae9',
    950: '#000000',
  },
}

SCSS

$custom: #537ae9;
$custom-light: #929ff1;
$custom-dark: #000000;

JSON

{
  "hex": "#537ae9",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 233
  },
  "hsl": {
    "h": 224.4,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.6079,
    "c": 0.17307,
    "h": 266.7
  },
  "luminance": 0.21641
}

Semantic roles & 50–950 ramp

primary

#537AE9

secondary

#E8D9B0

accent

#A40CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537AE9

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

Preview Lab → · Contrast checker → · Palette generator →