#537AE5#537AE5

#537AE5 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.5% C 0.168 H 266.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#537AE5
RGB	rgb(83, 122, 229)
HSL	hsl(224, 74%, 61%)
HSV	hsv(224, 64%, 90%)
CMYK	cmyk(63.8%, 46.7%, 0%, 10.2%)
CIE-LAB	lab(53.40, 19.79, -58.49)
CIE-LCH	lch(53.40, 61.75, 288.69°)
OKLab	oklab(60.53% -0.0105 -0.1673)
OKLCH	oklch(60.53% 0.168 266.4)
XYZ	xyz(24.6648, 21.4130, 76.9468)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AE5 #E5BE53

analogous

#53C3E5 #537AE5 #7553E5

triadic

#537AE5 #E5537A #7AE553

tetradic

#537AE5 #E553C3 #E5BE53 #53E575

square

#537AE5 #E553C3 #E5BE53 #53E575

split-complementary

#537AE5 #E57553 #C3E553

monochromatic

#193EA5 #2152DA #537AE5 #88A3ED #BDCCF5

Accessibility & contrast

On white

3.98

#537AE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#537AE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AE5

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AE5	#FFFFFF	#000000	##000000
##537AE5	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4487E9

Deuteranopia (green-blind)

#2779E3

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ae5;
/* rgb */ color: rgb(83, 122, 229);
/* oklch */ color: oklch(60.5% 0.168 266.4);

Tailwind

colors: {
  custom: {
    50: '#919fee',
    500: '#537ae5',
    950: '#000000',
  },
}

SCSS

$custom: #537ae5;
$custom-light: #919fee;
$custom-dark: #000000;

JSON

{
  "hex": "#537ae5",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 229
  },
  "hsl": {
    "h": 223.973,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.60527,
    "c": 0.16767,
    "h": 266.4
  },
  "luminance": 0.21415
}

Semantic roles & 50–950 ramp

primary

#537AE5

secondary

#E5D7AE

accent

#A110D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537AE5

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

Preview Lab → · Contrast checker → · Palette generator →