#537FEF#537FEF

#537FEF is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.2% C 0.175 H 265.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#537FEF
RGB	rgb(83, 127, 239)
HSL	hsl(223, 83%, 63%)
HSV	hsv(223, 65%, 94%)
CMYK	cmyk(65.3%, 46.9%, 0%, 6.3%)
CIE-LAB	lab(55.33, 20.15, -60.98)
CIE-LCH	lch(55.33, 64.22, 288.29°)
OKLab	oklab(62.19% -0.0138 -0.1746)
OKLCH	oklch(62.19% 0.175 265.5)
XYZ	xyz(26.7312, 23.2472, 84.7230)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FEF #EFC353

analogous

#53CDEF #537FEF #7553EF

triadic

#537FEF #EF537F #7FEF53

tetradic

#537FEF #EF53CD #EFC353 #53EF75

square

#537FEF #EF53CD #EFC353 #53EF75

split-complementary

#537FEF #EF7553 #CDEF53

monochromatic

#1140B7 #1B55EA #537FEF #8BA9F4 #C3D2F9

Accessibility & contrast

On white

3.72

#537FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#537FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FEF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FEF	#FFFFFF	#000000	##000000
##537FEF	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458CF3

Deuteranopia (green-blind)

#247EED

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537fef;
/* rgb */ color: rgb(83, 127, 239);
/* oklch */ color: oklch(62.2% 0.175 265.5);

Tailwind

colors: {
  custom: {
    50: '#92a3f5',
    500: '#537fef',
    950: '#000000',
  },
}

SCSS

$custom: #537fef;
$custom-light: #92a3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#537fef",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 239
  },
  "hsl": {
    "h": 223.077,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62194,
    "c": 0.17514,
    "h": 265.5
  },
  "luminance": 0.2325
}

Semantic roles & 50–950 ramp

primary

#537FEF

secondary

#EBDBB3

accent

#A206DF

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FEF

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

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