#537FEB#537FEB

#537FEB is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.170 H 265.1°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#537FEB
RGB	rgb(83, 127, 235)
HSL	hsl(223, 79%, 62%)
HSV	hsv(223, 65%, 92%)
CMYK	cmyk(64.7%, 46%, 0%, 7.8%)
CIE-LAB	lab(55.09, 18.78, -59.14)
CIE-LCH	lch(55.09, 62.05, 287.62°)
OKLab	oklab(61.93% -0.0144 -0.1692)
OKLCH	oklch(61.93% 0.17 265.1)
XYZ	xyz(26.1468, 23.0134, 81.6453)
Luminance	0.2302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FEB #EBBF53

analogous

#53CBEB #537FEB #7353EB

triadic

#537FEB #EB537F #7FEB53

tetradic

#537FEB #EB53CB #EBBF53 #53EB73

square

#537FEB #EB53CB #EBBF53 #53EB73

split-complementary

#537FEB #EB7353 #CBEB53

monochromatic

#1441AF #1C56E5 #537FEB #8AA8F1 #C1D1F8

Accessibility & contrast

On white

3.75

#537FEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#537FEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FEB

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FEB	#FFFFFF	#000000	##000000
##537FEB	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498BEF

Deuteranopia (green-blind)

#2C7DE9

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537feb;
/* rgb */ color: rgb(83, 127, 235);
/* oklch */ color: oklch(61.9% 0.170 265.1);

Tailwind

colors: {
  custom: {
    50: '#92a3f2',
    500: '#537feb',
    950: '#000000',
  },
}

SCSS

$custom: #537feb;
$custom-light: #92a3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#537feb",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 235
  },
  "hsl": {
    "h": 222.632,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61933,
    "c": 0.16978,
    "h": 265.1
  },
  "luminance": 0.23016
}

Semantic roles & 50–950 ramp

primary

#537FEB

secondary

#E9D9B1

accent

#9F0ADB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FEB

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

Preview Lab → · Contrast checker → · Palette generator →