#509BC8#509BC8

#509BC8 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.0% C 0.100 H 237.3°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#509BC8
RGB	rgb(80, 155, 200)
HSL	hsl(203, 52%, 55%)
HSV	hsv(203, 60%, 78%)
CMYK	cmyk(60%, 22.5%, 0%, 21.6%)
CIE-LAB	lab(61.06, -9.88, -30.14)
CIE-LCH	lch(61.06, 31.72, 251.86°)
OKLab	oklab(65.99% -0.0542 -0.0844)
OKLCH	oklch(65.99% 0.1 237.3)
XYZ	xyz(25.4510, 29.3159, 58.9497)
Luminance	0.2932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BC8 #C87D50

analogous

#50C8B9 #509BC8 #505FC8

triadic

#509BC8 #C8509B #9BC850

tetradic

#509BC8 #B950C8 #C87D50 #5FC850

square

#509BC8 #B950C8 #C87D50 #5FC850

split-complementary

#509BC8 #C8505F #C8B950

monochromatic

#265978 #347CA6 #509BC8 #7FB6D7 #ADD0E5

Accessibility & contrast

On white

3.06

#509BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#509BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BC8

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BC8	#FFFFFF	#000000	##000000
##509BC8	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ACA

Deuteranopia (green-blind)

#768EC7

Tritanopia (blue-blind)

#00A7AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509bc8;
/* rgb */ color: rgb(80, 155, 200);
/* oklch */ color: oklch(66.0% 0.100 237.3);

Tailwind

colors: {
  custom: {
    50: '#8bb8d9',
    500: '#509bc8',
    950: '#000000',
  },
}

SCSS

$custom: #509bc8;
$custom-light: #8bb8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#509bc8",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 200
  },
  "hsl": {
    "h": 202.5,
    "s": 52.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.65992,
    "c": 0.10031,
    "h": 237.3
  },
  "luminance": 0.29318
}

Semantic roles & 50–950 ramp

primary

#509BC8

secondary

#D3B4A1

accent

#824CDC

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #509BC8

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

Preview Lab → · Contrast checker → · Palette generator →