#537EE8#537EE8

#537EE8 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.167 H 265.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#537EE8
RGB	rgb(83, 126, 232)
HSL	hsl(223, 76%, 62%)
HSV	hsv(223, 64%, 91%)
CMYK	cmyk(64.2%, 45.7%, 0%, 9%)
CIE-LAB	lab(54.64, 18.36, -58.18)
CIE-LCH	lch(54.64, 61.01, 287.52°)
OKLab	oklab(61.54% -0.0139 -0.1664)
OKLCH	oklch(61.54% 0.167 265.2)
XYZ	xyz(25.5886, 22.5845, 79.3390)
Luminance	0.2259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EE8 #E8BD53

analogous

#53C8E8 #537EE8 #7353E8

triadic

#537EE8 #E8537E #7EE853

tetradic

#537EE8 #E853C8 #E8BD53 #53E873

square

#537EE8 #E853C8 #E8BD53 #53E873

split-complementary

#537EE8 #E87353 #C8E853

monochromatic

#1741AA #1E56E0 #537EE8 #89A6EF #BFCFF6

Accessibility & contrast

On white

3.81

#537EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#537EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EE8

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EE8	#FFFFFF	#000000	##000000
##537EE8	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498AEC

Deuteranopia (green-blind)

#2E7CE6

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537ee8;
/* rgb */ color: rgb(83, 126, 232);
/* oklch */ color: oklch(61.5% 0.167 265.2);

Tailwind

colors: {
  custom: {
    50: '#91a2f0',
    500: '#537ee8',
    950: '#000000',
  },
}

SCSS

$custom: #537ee8;
$custom-light: #91a2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#537ee8",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 232
  },
  "hsl": {
    "h": 222.685,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61535,
    "c": 0.16694,
    "h": 265.2
  },
  "luminance": 0.22587
}

Semantic roles & 50–950 ramp

primary

#537EE8

secondary

#E7D7B0

accent

#9E0DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EE8

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

Preview Lab → · Contrast checker → · Palette generator →