#537AEE#537AEE

#537AEE is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.1% C 0.180 H 267.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#537AEE
RGB	rgb(83, 122, 238)
HSL	hsl(225, 82%, 63%)
HSV	hsv(225, 65%, 93%)
CMYK	cmyk(65.1%, 48.7%, 0%, 6.7%)
CIE-LAB	lab(53.95, 22.87, -62.63)
CIE-LCH	lch(53.95, 66.68, 290.06°)
OKLab	oklab(61.12% -0.0094 -0.1795)
OKLCH	oklch(61.12% 0.18 267)
XYZ	xyz(25.9541, 21.9287, 83.7372)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AEE #EEC753

analogous

#53C8EE #537AEE #7953EE

triadic

#537AEE #EE537A #7AEE53

tetradic

#537AEE #EE53C8 #EEC753 #53EE79

square

#537AEE #EE53C8 #EEC753 #53EE79

split-complementary

#537AEE #EE7953 #C8EE53

monochromatic

#123BB5 #1B4FE8 #537AEE #8BA5F4 #C2D0F9

Accessibility & contrast

On white

3.90

#537AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#537AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AEE

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AEE	#FFFFFF	#000000	##000000
##537AEE	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A88F2

Deuteranopia (green-blind)

#0E7AEC

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537aee;
/* rgb */ color: rgb(83, 122, 238);
/* oklch */ color: oklch(61.1% 0.180 267.0);

Tailwind

colors: {
  custom: {
    50: '#929ff4',
    500: '#537aee',
    950: '#000000',
  },
}

SCSS

$custom: #537aee;
$custom-light: #929ff4;
$custom-dark: #000000;

JSON

{
  "hex": "#537aee",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 238
  },
  "hsl": {
    "h": 224.903,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61125,
    "c": 0.17976,
    "h": 267
  },
  "luminance": 0.21931
}

Semantic roles & 50–950 ramp

primary

#537AEE

secondary

#EADCB2

accent

#A807DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537AEE

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

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