#519DDD#519DDD

#519DDD is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.5% C 0.122 H 246.3°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#519DDD
RGB	rgb(81, 157, 221)
HSL	hsl(207, 67%, 59%)
HSV	hsv(207, 63%, 87%)
CMYK	cmyk(63.3%, 29%, 0%, 13.3%)
CIE-LAB	lab(62.58, -4.04, -39.48)
CIE-LCH	lch(62.58, 39.69, 264.16°)
OKLab	oklab(67.5% -0.0488 -0.1113)
OKLCH	oklch(67.5% 0.122 246.3)
XYZ	xyz(28.4966, 31.0809, 72.8900)
Luminance	0.3108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519DDD #DD9151

analogous

#51DDD7 #519DDD #5157DD

triadic

#519DDD #DD519D #9DDD51

tetradic

#519DDD #D751DD #DD9151 #57DD51

square

#519DDD #D751DD #DD9151 #57DD51

split-complementary

#519DDD #DD5157 #DDD751

monochromatic

#1D5F96 #277FC9 #519DDD #84BAE7 #B7D7F1

Accessibility & contrast

On white

2.91

#519DDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#519DDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519DDD

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519DDD	#FFFFFF	#000000	##000000
##519DDD	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FE0

Deuteranopia (green-blind)

#6E91DC

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #519ddd;
/* rgb */ color: rgb(81, 157, 221);
/* oklch */ color: oklch(67.5% 0.122 246.3);

Tailwind

colors: {
  custom: {
    50: '#8eb9e8',
    500: '#519ddd',
    950: '#000000',
  },
}

SCSS

$custom: #519ddd;
$custom-light: #8eb9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#519ddd",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 221
  },
  "hsl": {
    "h": 207.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67498,
    "c": 0.12159,
    "h": 246.3
  },
  "luminance": 0.31084
}

Semantic roles & 50–950 ramp

primary

#519DDD

secondary

#E0C3AA

accent

#8D3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #519DDD

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

Preview Lab → · Contrast checker → · Palette generator →