#519FDF#519FDF

#519FDF is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.0% C 0.122 H 245.7°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#519FDF
RGB	rgb(81, 159, 223)
HSL	hsl(207, 69%, 60%)
HSV	hsv(207, 64%, 87%)
CMYK	cmyk(63.7%, 28.7%, 0%, 12.5%)
CIE-LAB	lab(63.24, -4.52, -39.56)
CIE-LCH	lch(63.24, 39.81, 263.49°)
OKLab	oklab(68.05% -0.0503 -0.1115)
OKLCH	oklch(68.05% 0.122 245.7)
XYZ	xyz(29.1058, 31.8704, 74.4154)
Luminance	0.3187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519FDF #DF9151

analogous

#51DFD8 #519FDF #5158DF

triadic

#519FDF #DF519F #9FDF51

tetradic

#519FDF #D851DF #DF9151 #58DF51

square

#519FDF #D851DF #DF9151 #58DF51

split-complementary

#519FDF #DF5158 #DFD851

monochromatic

#1C6199 #2682CD #519FDF #85BCE9 #B8D8F2

Accessibility & contrast

On white

2.85

#519FDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#519FDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FDF

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519FDF	#FFFFFF	#000000	##000000
##519FDF	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E2

Deuteranopia (green-blind)

#6F93DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #519fdf;
/* rgb */ color: rgb(81, 159, 223);
/* oklch */ color: oklch(68.0% 0.122 245.7);

Tailwind

colors: {
  custom: {
    50: '#8fbbe9',
    500: '#519fdf',
    950: '#000000',
  },
}

SCSS

$custom: #519fdf;
$custom-light: #8fbbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#519fdf",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 223
  },
  "hsl": {
    "h": 207.042,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.68048,
    "c": 0.12237,
    "h": 245.7
  },
  "luminance": 0.31873
}

Semantic roles & 50–950 ramp

primary

#519FDF

secondary

#E1C3AA

accent

#8B3CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #519FDF

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

Preview Lab → · Contrast checker → · Palette generator →