#509CCB#509CCB

#509CCB is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.103 H 238.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#509CCB
RGB	rgb(80, 156, 203)
HSL	hsl(203, 54%, 55%)
HSV	hsv(203, 61%, 80%)
CMYK	cmyk(60.6%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(61.47, -9.48, -31.18)
CIE-LCH	lch(61.47, 32.59, 253.09°)
OKLab	oklab(66.36% -0.0543 -0.0874)
OKLCH	oklch(66.36% 0.103 238.2)
XYZ	xyz(25.9721, 29.7917, 60.8700)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CCB #CB7F50

analogous

#50CBBD #509CCB #505ECB

triadic

#509CCB #CB509C #9CCB50

tetradic

#509CCB #BD50CB #CB7F50 #5ECB50

square

#509CCB #BD50CB #CB7F50 #5ECB50

split-complementary

#509CCB #CB505E #CBBD50

monochromatic

#255B7C #337DAB #509CCB #7FB7D9 #AED1E7

Accessibility & contrast

On white

3.02

#509CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#509CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509CCB

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CCB	#FFFFFF	#000000	##000000
##509CCB	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869BCD

Deuteranopia (green-blind)

#758FCA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #509ccb;
/* rgb */ color: rgb(80, 156, 203);
/* oklch */ color: oklch(66.4% 0.103 238.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#509ccb",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 202.927,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66361,
    "c": 0.10286,
    "h": 238.2
  },
  "luminance": 0.29794
}

Semantic roles & 50–950 ramp

primary

#509CCB

secondary

#D5B5A2

accent

#834ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509CCB

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

Preview Lab → · Contrast checker → · Palette generator →