#519BDF#519BDF

#519BDF is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.2% C 0.126 H 248.4°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#519BDF
RGB	rgb(81, 155, 223)
HSL	hsl(209, 69%, 60%)
HSV	hsv(209, 64%, 87%)
CMYK	cmyk(63.7%, 30.5%, 0%, 12.5%)
CIE-LAB	lab(62.10, -2.24, -41.34)
CIE-LCH	lch(62.10, 41.40, 266.89°)
OKLab	oklab(67.15% -0.0462 -0.1168)
OKLCH	oklch(67.15% 0.126 248.4)
XYZ	xyz(28.4290, 30.5169, 74.1899)
Luminance	0.3052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BDF #DF9551

analogous

#51DFDC #519BDF #5154DF

triadic

#519BDF #DF519B #9BDF51

tetradic

#519BDF #DC51DF #DF9551 #54DF51

square

#519BDF #DC51DF #DF9551 #54DF51

split-complementary

#519BDF #DF5154 #DFDC51

monochromatic

#1C5D99 #267DCD #519BDF #85B9E9 #B8D6F2

Accessibility & contrast

On white

2.96

#519BDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#519BDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BDF

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BDF	#FFFFFF	#000000	##000000
##519BDF	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9EE2

Deuteranopia (green-blind)

#6A90DE

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #519bdf;
/* rgb */ color: rgb(81, 155, 223);
/* oklch */ color: oklch(67.2% 0.126 248.4);

Tailwind

colors: {
  custom: {
    50: '#8fb8e9',
    500: '#519bdf',
    950: '#000000',
  },
}

SCSS

$custom: #519bdf;
$custom-light: #8fb8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#519bdf",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 223
  },
  "hsl": {
    "h": 208.732,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67152,
    "c": 0.12557,
    "h": 248.4
  },
  "luminance": 0.3052
}

Semantic roles & 50–950 ramp

primary

#519BDF

secondary

#E1C5AA

accent

#903CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #519BDF

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

Preview Lab → · Contrast checker → · Palette generator →