#509BCC#509BCC

#509BCC is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.2% C 0.104 H 239.6°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#509BCC
RGB	rgb(80, 155, 204)
HSL	hsl(204, 55%, 56%)
HSV	hsv(204, 61%, 80%)
CMYK	cmyk(60.8%, 24%, 0%, 20%)
CIE-LAB	lab(61.23, -8.61, -32.13)
CIE-LCH	lch(61.23, 33.26, 255.00°)
OKLab	oklab(66.18% -0.0528 -0.0901)
OKLCH	oklch(66.18% 0.104 239.6)
XYZ	xyz(25.9246, 29.5053, 61.4439)
Luminance	0.2951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BCC #CC8150

analogous

#50CCBF #509BCC #505DCC

triadic

#509BCC #CC509B #9BCC50

tetradic

#509BCC #BF50CC #CC8150 #5DCC50

square

#509BCC #BF50CC #CC8150 #5DCC50

split-complementary

#509BCC #CC505D #CCBF50

monochromatic

#245A7D #327CAD #509BCC #7FB6DA #AFD1E8

Accessibility & contrast

On white

3.04

#509BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#509BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BCC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BCC	#FFFFFF	#000000	##000000
##509BCC	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCE

Deuteranopia (green-blind)

#748ECB

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #509bcc;
/* rgb */ color: rgb(80, 155, 204);
/* oklch */ color: oklch(66.2% 0.104 239.6);

Tailwind

colors: {
  custom: {
    50: '#8cb8db',
    500: '#509bcc',
    950: '#000000',
  },
}

SCSS

$custom: #509bcc;
$custom-light: #8cb8db;
$custom-dark: #000000;

JSON

{
  "hex": "#509bcc",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 204
  },
  "hsl": {
    "h": 203.71,
    "s": 54.867,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66178,
    "c": 0.10446,
    "h": 239.6
  },
  "luminance": 0.29508
}

Semantic roles & 50–950 ramp

primary

#509BCC

secondary

#D6B6A2

accent

#844ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509BCC

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

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