#519BD3#519BD3

#519BD3 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.112 H 243.5°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#519BD3
RGB	rgb(81, 155, 211)
HSL	hsl(206, 60%, 57%)
HSV	hsv(206, 62%, 83%)
CMYK	cmyk(61.6%, 26.5%, 0%, 17.3%)
CIE-LAB	lab(61.56, -6.17, -35.51)
CIE-LCH	lch(61.56, 36.04, 260.15°)
OKLab	oklab(66.55% -0.0498 -0.0998)
OKLCH	oklch(66.55% 0.112 243.5)
XYZ	xyz(26.8682, 29.8926, 65.9693)
Luminance	0.2989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BD3 #D38951

analogous

#51D3CA #519BD3 #515AD3

triadic

#519BD3 #D3519B #9BD351

tetradic

#519BD3 #CA51D3 #D38951 #5AD351

square

#519BD3 #CA51D3 #D38951 #5AD351

split-complementary

#519BD3 #D3515A #D3CA51

monochromatic

#225C87 #2F7DB8 #519BD3 #82B7DF #B3D3EC

Accessibility & contrast

On white

3.01

#519BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#519BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BD3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BD3	#FFFFFF	#000000	##000000
##519BD3	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD6

Deuteranopia (green-blind)

#718FD2

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #519bd3;
/* rgb */ color: rgb(81, 155, 211);
/* oklch */ color: oklch(66.6% 0.112 243.5);

Tailwind

colors: {
  custom: {
    50: '#8db8e0',
    500: '#519bd3',
    950: '#000000',
  },
}

SCSS

$custom: #519bd3;
$custom-light: #8db8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#519bd3",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 211
  },
  "hsl": {
    "h": 205.846,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66553,
    "c": 0.1116,
    "h": 243.5
  },
  "luminance": 0.29895
}

Semantic roles & 50–950 ramp

primary

#519BD3

secondary

#DABCA6

accent

#8945E3

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #519BD3

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

Preview Lab → · Contrast checker → · Palette generator →