#5399F0#5399F0

#5399F0 is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.7% C 0.148 H 255.0°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#5399F0
RGB	rgb(83, 153, 240)
HSL	hsl(213, 84%, 63%)
HSV	hsv(213, 65%, 94%)
CMYK	cmyk(65.4%, 36.3%, 0%, 5.9%)
CIE-LAB	lab(62.43, 4.92, -50.20)
CIE-LCH	lch(62.43, 50.44, 275.60°)
OKLab	oklab(67.7% -0.0383 -0.1426)
OKLCH	oklch(67.7% 0.148 255)
XYZ	xyz(30.6810, 30.9097, 86.7704)
Luminance	0.3091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399F0 #F0AA53

analogous

#53E8F0 #5399F0 #5B53F0

triadic

#5399F0 #F05399 #99F053

tetradic

#5399F0 #F053E8 #F0AA53 #53F05B

square

#5399F0 #F053E8 #F0AA53 #53F05B

split-complementary

#5399F0 #F05B53 #E8F053

monochromatic

#105BB9 #1B78EB #5399F0 #8BBAF5 #C4DCFA

Accessibility & contrast

On white

2.92

#5399F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#5399F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5399F0

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399F0	#FFFFFF	#000000	##000000
##5399F0	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739FF4

Deuteranopia (green-blind)

#5C90EE

Tritanopia (blue-blind)

#00ADB9

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5399f0;
/* rgb */ color: rgb(83, 153, 240);
/* oklch */ color: oklch(67.7% 0.148 255.0);

Tailwind

colors: {
  custom: {
    50: '#92b6f5',
    500: '#5399f0',
    950: '#000000',
  },
}

SCSS

$custom: #5399f0;
$custom-light: #92b6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5399f0",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 240
  },
  "hsl": {
    "h": 213.248,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.67702,
    "c": 0.14764,
    "h": 255
  },
  "luminance": 0.30913
}

Semantic roles & 50–950 ramp

primary

#5399F0

secondary

#EBD2B3

accent

#7F05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5399F0

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

Preview Lab → · Contrast checker → · Palette generator →