#509DCB#509DCB

#509DCB is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.6% C 0.102 H 237.3°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#509DCB
RGB	rgb(80, 157, 203)
HSL	hsl(202, 54%, 55%)
HSV	hsv(202, 61%, 80%)
CMYK	cmyk(60.6%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(61.77, -10.04, -30.73)
CIE-LCH	lch(61.77, 32.33, 251.91°)
OKLab	oklab(66.59% -0.0553 -0.0861)
OKLCH	oklch(66.59% 0.102 237.3)
XYZ	xyz(26.1406, 30.1287, 60.9261)
Luminance	0.3013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DCB #CB7E50

analogous

#50CBBB #509DCB #505FCB

triadic

#509DCB #CB509D #9DCB50

tetradic

#509DCB #BB50CB #CB7E50 #5FCB50

square

#509DCB #BB50CB #CB7E50 #5FCB50

split-complementary

#509DCB #CB505F #CBBB50

monochromatic

#255B7C #337EAB #509DCB #7FB7D9 #AED2E7

Accessibility & contrast

On white

2.99

#509DCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#509DCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509DCB

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DCB	#FFFFFF	#000000	##000000
##509DCB	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCD

Deuteranopia (green-blind)

#7790CA

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509dcb;
/* rgb */ color: rgb(80, 157, 203);
/* oklch */ color: oklch(66.6% 0.102 237.3);

Tailwind

colors: {
  custom: {
    50: '#8cb9db',
    500: '#509dcb',
    950: '#000000',
  },
}

SCSS

$custom: #509dcb;
$custom-light: #8cb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#509dcb",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 202.439,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66592,
    "c": 0.10233,
    "h": 237.3
  },
  "luminance": 0.30131
}

Semantic roles & 50–950 ramp

primary

#509DCB

secondary

#D5B5A2

accent

#814ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509DCB

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

Preview Lab → · Contrast checker → · Palette generator →