#5387F3#5387F3

#5387F3 is a light, vivid blue. Relative luminance 0.256; OKLCH L 64.1% C 0.171 H 263.1°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5387F3
RGB	rgb(83, 135, 243)
HSL	hsl(221, 87%, 64%)
HSV	hsv(221, 66%, 95%)
CMYK	cmyk(65.8%, 44.4%, 0%, 4.7%)
CIE-LAB	lab(57.69, 16.66, -59.41)
CIE-LCH	lch(57.69, 61.70, 285.66°)
OKLab	oklab(64.08% -0.0206 -0.1698)
OKLCH	oklch(64.08% 0.171 263.1)
XYZ	xyz(28.4032, 25.6352, 88.2279)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5387F3 #F3BF53

analogous

#53D7F3 #5387F3 #6F53F3

triadic

#5387F3 #F35387 #87F353

tetradic

#5387F3 #F353D7 #F3BF53 #53F36F

square

#5387F3 #F353D7 #F3BF53 #53F36F

split-complementary

#5387F3 #F36F53 #D7F353

monochromatic

#0D47BE #1A5FEF #5387F3 #8CAFF7 #C5D7FB

Accessibility & contrast

On white

3.43

#5387F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#5387F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5387F3

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5387F3	#FFFFFF	#000000	##000000
##5387F3	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5292F7

Deuteranopia (green-blind)

#3584F1

Tritanopia (blue-blind)

#00A0B1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5387f3;
/* rgb */ color: rgb(83, 135, 243);
/* oklch */ color: oklch(64.1% 0.171 263.1);

Tailwind

colors: {
  custom: {
    50: '#93a9f8',
    500: '#5387f3',
    950: '#000000',
  },
}

SCSS

$custom: #5387f3;
$custom-light: #93a9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5387f3",
  "rgb": {
    "r": 83,
    "g": 135,
    "b": 243
  },
  "hsl": {
    "h": 220.5,
    "s": 86.957,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64081,
    "c": 0.17109,
    "h": 263.1
  },
  "luminance": 0.25638
}

Semantic roles & 50–950 ramp

primary

#5387F3

secondary

#EDDBB5

accent

#9A02E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5387F3

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

Preview Lab → · Contrast checker → · Palette generator →