#519BBB#519BBB

#519BBB is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.088 H 228.5°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#519BBB
RGB	rgb(81, 155, 187)
HSL	hsl(198, 44%, 53%)
HSV	hsv(198, 57%, 73%)
CMYK	cmyk(56.7%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(60.58, -13.72, -23.57)
CIE-LCH	lch(60.58, 27.28, 239.79°)
OKLab	oklab(65.46% -0.0581 -0.0656)
OKLCH	oklch(65.46% 0.088 228.5)
XYZ	xyz(24.0809, 28.7777, 51.2897)
Luminance	0.2878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BBB #BB7151

analogous

#51BBA6 #519BBB #5166BB

triadic

#519BBB #BB519B #9BBB51

tetradic

#519BBB #A651BB #BB7151 #66BB51

square

#519BBB #A651BB #BB7151 #66BB51

split-complementary

#519BBB #BB5166 #BBA651

monochromatic

#295569 #3A7995 #519BBB #7DB4CC #A9CEDD

Accessibility & contrast

On white

3.11

#519BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#519BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BBB

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BBB	#FFFFFF	#000000	##000000
##519BBB	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BD

Deuteranopia (green-blind)

#7B8DBB

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #519bbb;
/* rgb */ color: rgb(81, 155, 187);
/* oklch */ color: oklch(65.5% 0.088 228.5);

Tailwind

colors: {
  custom: {
    50: '#8ab8cf',
    500: '#519bbb',
    950: '#000000',
  },
}

SCSS

$custom: #519bbb;
$custom-light: #8ab8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#519bbb",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 198.113,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.65455,
    "c": 0.08768,
    "h": 228.5
  },
  "luminance": 0.2878
}

Semantic roles & 50–950 ramp

primary

#519BBB

secondary

#CBAB9D

accent

#7B54D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #519BBB

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

Preview Lab → · Contrast checker → · Palette generator →