#537DE8#537DE8

#537DE8 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.168 H 265.6°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#537DE8
RGB	rgb(83, 125, 232)
HSL	hsl(223, 76%, 62%)
HSV	hsv(223, 64%, 91%)
CMYK	cmyk(64.2%, 46.1%, 0%, 9%)
CIE-LAB	lab(54.38, 18.97, -58.60)
CIE-LCH	lch(54.38, 61.60, 287.94°)
OKLab	oklab(61.33% -0.0129 -0.1676)
OKLCH	oklch(61.33% 0.168 265.6)
XYZ	xyz(25.4613, 22.3301, 79.2966)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DE8 #E8BE53

analogous

#53C8E8 #537DE8 #7453E8

triadic

#537DE8 #E8537D #7DE853

tetradic

#537DE8 #E853C8 #E8BE53 #53E874

square

#537DE8 #E853C8 #E8BE53 #53E874

split-complementary

#537DE8 #E87453 #C8E853

monochromatic

#1740AA #1E55E0 #537DE8 #89A6EF #BFCFF6

Accessibility & contrast

On white

3.84

#537DE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#537DE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DE8

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DE8	#FFFFFF	#000000	##000000
##537DE8	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4789EC

Deuteranopia (green-blind)

#2B7CE6

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537de8;
/* rgb */ color: rgb(83, 125, 232);
/* oklch */ color: oklch(61.3% 0.168 265.6);

Tailwind

colors: {
  custom: {
    50: '#91a2f0',
    500: '#537de8',
    950: '#000000',
  },
}

SCSS

$custom: #537de8;
$custom-light: #91a2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#537de8",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 232
  },
  "hsl": {
    "h": 223.087,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61331,
    "c": 0.16813,
    "h": 265.6
  },
  "luminance": 0.22332
}

Semantic roles & 50–950 ramp

primary

#537DE8

secondary

#E7D7B0

accent

#9F0DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537DE8

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

Preview Lab → · Contrast checker → · Palette generator →