#519BDB#519BDB

#519BDB is a light, vivid cyan. Relative luminance 0.303; OKLCH L 66.9% C 0.121 H 246.9°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#519BDB
RGB	rgb(81, 155, 219)
HSL	hsl(208, 66%, 59%)
HSV	hsv(208, 63%, 86%)
CMYK	cmyk(63%, 29.2%, 0%, 14.1%)
CIE-LAB	lab(61.92, -3.56, -39.41)
CIE-LCH	lch(61.92, 39.57, 264.84°)
OKLab	oklab(66.95% -0.0474 -0.1111)
OKLCH	oklch(66.95% 0.121 246.9)
XYZ	xyz(27.8961, 30.3038, 71.3832)
Luminance	0.3031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BDB #DB9151

analogous

#51DBD6 #519BDB #5156DB

triadic

#519BDB #DB519B #9BDB51

tetradic

#519BDB #D651DB #DB9151 #56DB51

square

#519BDB #D651DB #DB9151 #56DB51

split-complementary

#519BDB #DB5156 #DBD651

monochromatic

#1E5D93 #297DC6 #519BDB #84B8E5 #B6D5F0

Accessibility & contrast

On white

2.97

#519BDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#519BDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BDB

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BDB	#FFFFFF	#000000	##000000
##519BDB	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9DDE

Deuteranopia (green-blind)

#6C90DA

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #519bdb;
/* rgb */ color: rgb(81, 155, 219);
/* oklch */ color: oklch(66.9% 0.121 246.9);

Tailwind

colors: {
  custom: {
    50: '#8eb8e6',
    500: '#519bdb',
    950: '#000000',
  },
}

SCSS

$custom: #519bdb;
$custom-light: #8eb8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#519bdb",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 207.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.66948,
    "c": 0.12082,
    "h": 246.9
  },
  "luminance": 0.30306
}

Semantic roles & 50–950 ramp

primary

#519BDB

secondary

#DFC2A9

accent

#8E3FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #519BDB

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

Preview Lab → · Contrast checker → · Palette generator →