#519BD4#519BD4

#519BD4 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.113 H 243.9°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#519BD4
RGB	rgb(81, 155, 212)
HSL	hsl(206, 60%, 57%)
HSV	hsv(206, 62%, 83%)
CMYK	cmyk(61.8%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(61.60, -5.84, -36.00)
CIE-LCH	lch(61.60, 36.47, 260.78°)
OKLab	oklab(66.6% -0.0495 -0.1013)
OKLCH	oklch(66.6% 0.113 243.9)
XYZ	xyz(26.9939, 29.9429, 66.6316)
Luminance	0.2994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BD4 #D48A51

analogous

#51D4CC #519BD4 #5159D4

triadic

#519BD4 #D4519B #9BD451

tetradic

#519BD4 #CC51D4 #D48A51 #59D451

square

#519BD4 #CC51D4 #D48A51 #59D451

split-complementary

#519BD4 #D45159 #D4CC51

monochromatic

#225C89 #2E7DBA #519BD4 #82B7E0 #B3D3EC

Accessibility & contrast

On white

3.00

#519BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#519BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BD4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BD4	#FFFFFF	#000000	##000000
##519BD4	1.00	3.00	6.99	6.99
#FFFFFF	3.00	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD7

Deuteranopia (green-blind)

#708FD3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #519bd4;
/* rgb */ color: rgb(81, 155, 212);
/* oklch */ color: oklch(66.6% 0.113 243.9);

Tailwind

colors: {
  custom: {
    50: '#8db8e1',
    500: '#519bd4',
    950: '#000000',
  },
}

SCSS

$custom: #519bd4;
$custom-light: #8db8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#519bd4",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 206.107,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66601,
    "c": 0.11273,
    "h": 243.9
  },
  "luminance": 0.29945
}

Semantic roles & 50–950 ramp

primary

#519BD4

secondary

#DBBDA6

accent

#8A44E4

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #519BD4

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

Preview Lab → · Contrast checker → · Palette generator →