#5399FB#5399FB

#5399FB is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.3% C 0.162 H 257.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#5399FB
RGB	rgb(83, 153, 251)
HSL	hsl(215, 95%, 65%)
HSV	hsv(215, 67%, 98%)
CMYK	cmyk(66.9%, 39%, 0%, 1.6%)
CIE-LAB	lab(63.00, 8.65, -55.34)
CIE-LCH	lch(63.00, 56.01, 278.88°)
OKLab	oklab(68.33% -0.0358 -0.1576)
OKLCH	oklch(68.33% 0.162 257.2)
XYZ	xyz(32.3648, 31.5832, 95.6386)
Luminance	0.3159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399FB #FBB553

analogous

#53EDFB #5399FB #6153FB

triadic

#5399FB #FB5399 #99FB53

tetradic

#5399FB #FB53ED #FBB553 #53FB61

square

#5399FB #FB53ED #FBB553 #53FB61

split-complementary

#5399FB #FB6153 #EDFB53

monochromatic

#0559CF #1776FA #5399FB #8FBCFC #CBE0FE

Accessibility & contrast

On white

2.87

#5399FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#5399FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5399FB

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399FB	#FFFFFF	#000000	##000000
##5399FB	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6CA1FF

Deuteranopia (green-blind)

#5391F9

Tritanopia (blue-blind)

#00B0BE

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5399fb;
/* rgb */ color: rgb(83, 153, 251);
/* oklch */ color: oklch(68.3% 0.162 257.2);

Tailwind

colors: {
  custom: {
    50: '#94b6fd',
    500: '#5399fb',
    950: '#000000',
  },
}

SCSS

$custom: #5399fb;
$custom-light: #94b6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5399fb",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 251
  },
  "hsl": {
    "h": 215,
    "s": 95.455,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68327,
    "c": 0.16165,
    "h": 257.2
  },
  "luminance": 0.31587
}

Semantic roles & 50–950 ramp

primary

#5399FB

secondary

#F1DAB9

accent

#8600E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #5399FB

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

Preview Lab → · Contrast checker → · Palette generator →