#509BD8#509BD8

#509BD8 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.8% C 0.118 H 245.4°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#509BD8
RGB	rgb(80, 155, 216)
HSL	hsl(207, 64%, 58%)
HSV	hsv(207, 63%, 85%)
CMYK	cmyk(63%, 28.2%, 0%, 15.3%)
CIE-LAB	lab(61.74, -4.72, -38.01)
CIE-LCH	lch(61.74, 38.30, 262.92°)
OKLab	oklab(66.76% -0.049 -0.1071)
OKLCH	oklch(66.76% 0.118 245.4)
XYZ	xyz(27.4197, 30.1033, 69.3179)
Luminance	0.3011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BD8 #D88D50

analogous

#50D8D1 #509BD8 #5057D8

triadic

#509BD8 #D8509B #9BD850

tetradic

#509BD8 #D150D8 #D88D50 #57D850

square

#509BD8 #D150D8 #D88D50 #57D850

split-complementary

#509BD8 #D85057 #D8D150

monochromatic

#205C8E #2B7DC0 #509BD8 #82B8E3 #B4D4EE

Accessibility & contrast

On white

2.99

#509BD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#509BD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BD8

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BD8	#FFFFFF	#000000	##000000
##509BD8	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDB

Deuteranopia (green-blind)

#6E8FD7

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509bd8;
/* rgb */ color: rgb(80, 155, 216);
/* oklch */ color: oklch(66.8% 0.118 245.4);

Tailwind

colors: {
  custom: {
    50: '#8db8e4',
    500: '#509bd8',
    950: '#000000',
  },
}

SCSS

$custom: #509bd8;
$custom-light: #8db8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#509bd8",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 216
  },
  "hsl": {
    "h": 206.912,
    "s": 63.551,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66758,
    "c": 0.11779,
    "h": 245.4
  },
  "luminance": 0.30106
}

Semantic roles & 50–950 ramp

primary

#509BD8

secondary

#DDBFA7

accent

#8B41E7

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509BD8

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

Preview Lab → · Contrast checker → · Palette generator →