#509BAC#509BAC

#509BAC is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.8% C 0.078 H 214.4°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#509BAC
RGB	rgb(80, 155, 172)
HSL	hsl(191, 37%, 49%)
HSV	hsv(191, 53%, 67%)
CMYK	cmyk(53.5%, 9.9%, 0%, 32.5%)
CIE-LAB	lab(60.00, -18.41, -16.00)
CIE-LCH	lch(60.00, 24.39, 220.99°)
OKLab	oklab(64.8% -0.0647 -0.0443)
OKLCH	oklch(64.8% 0.078 214.4)
XYZ	xyz(22.4731, 28.1247, 43.2660)
Luminance	0.2813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BAC #AC6150

analogous

#50AC8F #509BAC #506DAC

triadic

#509BAC #AC509B #9BAC50

tetradic

#509BAC #8F50AC #AC6150 #6DAC50

square

#509BAC #8F50AC #AC6150 #6DAC50

split-complementary

#509BAC #AC506D #AC8F50

monochromatic

#295058 #3D7582 #509BAC #79B3C1 #A2CBD4

Accessibility & contrast

On white

3.17

#509BAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#509BAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BAC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BAC	#FFFFFF	#000000	##000000
##509BAC	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F97AD

Deuteranopia (green-blind)

#808CAC

Tritanopia (blue-blind)

#06A2A0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #509bac;
/* rgb */ color: rgb(80, 155, 172);
/* oklch */ color: oklch(64.8% 0.078 214.4);

Tailwind

colors: {
  custom: {
    50: '#88b8c4',
    500: '#509bac',
    950: '#000000',
  },
}

SCSS

$custom: #509bac;
$custom-light: #88b8c4;
$custom-dark: #000000;

JSON

{
  "hex": "#509bac",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 172
  },
  "hsl": {
    "h": 191.087,
    "s": 36.508,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64798,
    "c": 0.07842,
    "h": 214.4
  },
  "luminance": 0.28127
}

Semantic roles & 50–950 ramp

primary

#509BAC

secondary

#C19F97

accent

#705BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1112

muted

#7D8081

Preview Lab

Preview with #509BAC

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

Preview Lab → · Contrast checker → · Palette generator →