#519FDD#519FDD

#519FDD is a light, vivid cyan. Relative luminance 0.318; OKLCH L 67.9% C 0.120 H 244.9°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#519FDD
RGB	rgb(81, 159, 221)
HSL	hsl(207, 67%, 59%)
HSV	hsv(207, 63%, 87%)
CMYK	cmyk(63.3%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(63.15, -5.17, -38.59)
CIE-LCH	lch(63.15, 38.93, 262.37°)
OKLab	oklab(67.95% -0.0509 -0.1087)
OKLCH	oklch(67.95% 0.12 244.9)
XYZ	xyz(28.8377, 31.7632, 73.0037)
Luminance	0.3177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519FDD #DD8F51

analogous

#51DDD5 #519FDD #5159DD

triadic

#519FDD #DD519F #9FDD51

tetradic

#519FDD #D551DD #DD8F51 #59DD51

square

#519FDD #D551DD #DD8F51 #59DD51

split-complementary

#519FDD #DD5159 #DDD551

monochromatic

#1D6196 #2782C9 #519FDD #84BBE7 #B7D7F1

Accessibility & contrast

On white

2.86

#519FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#519FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519FDD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519FDD	#FFFFFF	#000000	##000000
##519FDD	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0E0

Deuteranopia (green-blind)

#7193DC

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #519fdd;
/* rgb */ color: rgb(81, 159, 221);
/* oklch */ color: oklch(67.9% 0.120 244.9);

Tailwind

colors: {
  custom: {
    50: '#8fbbe8',
    500: '#519fdd',
    950: '#000000',
  },
}

SCSS

$custom: #519fdd;
$custom-light: #8fbbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#519fdd",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 206.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67949,
    "c": 0.12007,
    "h": 244.9
  },
  "luminance": 0.31766
}

Semantic roles & 50–950 ramp

primary

#519FDD

secondary

#E0C2AA

accent

#8A3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #519FDD

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

Preview Lab → · Contrast checker → · Palette generator →