#509CDB#509CDB

#509CDB is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.1% C 0.120 H 245.9°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#509CDB
RGB	rgb(80, 156, 219)
HSL	hsl(207, 66%, 59%)
HSV	hsv(207, 63%, 86%)
CMYK	cmyk(63.5%, 28.8%, 0%, 14.1%)
CIE-LAB	lab(62.16, -4.31, -39.02)
CIE-LCH	lch(62.16, 39.26, 263.70°)
OKLab	oklab(67.13% -0.0491 -0.11)
OKLCH	oklch(67.13% 0.121 245.9)
XYZ	xyz(27.9781, 30.5941, 71.4349)
Luminance	0.3060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CDB #DB8F50

analogous

#50DBD4 #509CDB #5056DB

triadic

#509CDB #DB509C #9CDB50

tetradic

#509CDB #D450DB #DB8F50 #56DB50

square

#509CDB #D450DB #DB8F50 #56DB50

split-complementary

#509CDB #DB5056 #DBD450

monochromatic

#1E5E92 #297EC5 #509CDB #83B9E5 #B6D5F0

Accessibility & contrast

On white

2.95

#509CDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#509CDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509CDB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CDB	#FFFFFF	#000000	##000000
##509CDB	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EDE

Deuteranopia (green-blind)

#6D90DA

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509cdb;
/* rgb */ color: rgb(80, 156, 219);
/* oklch */ color: oklch(67.1% 0.120 245.9);

Tailwind

colors: {
  custom: {
    50: '#8eb9e6',
    500: '#509cdb',
    950: '#000000',
  },
}

SCSS

$custom: #509cdb;
$custom-light: #8eb9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#509cdb",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 219
  },
  "hsl": {
    "h": 207.194,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.67133,
    "c": 0.1205,
    "h": 245.9
  },
  "luminance": 0.30597
}

Semantic roles & 50–950 ramp

primary

#509CDB

secondary

#DFC1A8

accent

#8C3FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509CDB

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

Preview Lab → · Contrast checker → · Palette generator →