#537AE7#537AE7

#537AE7 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.7% C 0.170 H 266.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#537AE7
RGB	rgb(83, 122, 231)
HSL	hsl(224, 76%, 62%)
HSV	hsv(224, 64%, 91%)
CMYK	cmyk(64.1%, 47.2%, 0%, 9.4%)
CIE-LAB	lab(53.52, 20.47, -59.42)
CIE-LCH	lch(53.52, 62.85, 289.01°)
OKLab	oklab(60.66% -0.0102 -0.1701)
OKLCH	oklch(60.66% 0.17 266.6)
XYZ	xyz(24.9456, 21.5253, 78.4260)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AE7 #E7C053

analogous

#53C4E7 #537AE7 #7653E7

triadic

#537AE7 #E7537A #7AE753

tetradic

#537AE7 #E753C4 #E7C053 #53E776

square

#537AE7 #E753C4 #E7C053 #53E776

split-complementary

#537AE7 #E77653 #C4E753

monochromatic

#173EA8 #1F51DE #537AE7 #89A4EE #BECDF6

Accessibility & contrast

On white

3.96

#537AE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#537AE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AE7

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AE7	#FFFFFF	#000000	##000000
##537AE7	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4287EB

Deuteranopia (green-blind)

#237AE5

Tritanopia (blue-blind)

#0093A5

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ae7;
/* rgb */ color: rgb(83, 122, 231);
/* oklch */ color: oklch(60.7% 0.170 266.6);

Tailwind

colors: {
  custom: {
    50: '#919fef',
    500: '#537ae7',
    950: '#000000',
  },
}

SCSS

$custom: #537ae7;
$custom-light: #919fef;
$custom-dark: #000000;

JSON

{
  "hex": "#537ae7",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 231
  },
  "hsl": {
    "h": 224.189,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60658,
    "c": 0.17037,
    "h": 266.6
  },
  "luminance": 0.21528
}

Semantic roles & 50–950 ramp

primary

#537AE7

secondary

#E6D8AF

accent

#A20ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537AE7

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

Preview Lab → · Contrast checker → · Palette generator →