#509FCB#509FCB

#509FCB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.1% C 0.101 H 235.4°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#509FCB
RGB	rgb(80, 159, 203)
HSL	hsl(201, 54%, 55%)
HSV	hsv(201, 61%, 80%)
CMYK	cmyk(60.6%, 21.7%, 0%, 20.4%)
CIE-LAB	lab(62.35, -11.14, -29.83)
CIE-LCH	lch(62.35, 31.84, 249.52°)
OKLab	oklab(67.05% -0.0575 -0.0835)
OKLCH	oklch(67.05% 0.101 235.4)
XYZ	xyz(26.4818, 30.8110, 61.0399)
Luminance	0.3081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FCB #CB7C50

analogous

#50CBB9 #509FCB #5062CB

triadic

#509FCB #CB509F #9FCB50

tetradic

#509FCB #B950CB #CB7C50 #62CB50

square

#509FCB #B950CB #CB7C50 #62CB50

split-complementary

#509FCB #CB5062 #CBB950

monochromatic

#255D7C #3380AB #509FCB #7FB9D9 #AED3E7

Accessibility & contrast

On white

2.93

#509FCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#509FCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FCB

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FCB	#FFFFFF	#000000	##000000
##509FCB	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9ECD

Deuteranopia (green-blind)

#7991CA

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #509fcb;
/* rgb */ color: rgb(80, 159, 203);
/* oklch */ color: oklch(67.1% 0.101 235.4);

Tailwind

colors: {
  custom: {
    50: '#8cbbdb',
    500: '#509fcb',
    950: '#000000',
  },
}

SCSS

$custom: #509fcb;
$custom-light: #8cbbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#509fcb",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 201.463,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.67055,
    "c": 0.10136,
    "h": 235.4
  },
  "luminance": 0.30814
}

Semantic roles & 50–950 ramp

primary

#509FCB

secondary

#D5B4A2

accent

#7F4ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509FCB

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

Preview Lab → · Contrast checker → · Palette generator →