#509EB4#509EB4

#509EB4 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.8% C 0.083 H 218.6°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#509EB4
RGB	rgb(80, 158, 180)
HSL	hsl(193, 40%, 51%)
HSV	hsv(193, 56%, 71%)
CMYK	cmyk(55.6%, 12.2%, 0%, 29.4%)
CIE-LAB	lab(61.18, -17.65, -18.73)
CIE-LCH	lch(61.18, 25.73, 226.70°)
OKLab	oklab(65.83% -0.065 -0.0519)
OKLCH	oklch(65.83% 0.083 218.6)
XYZ	xyz(23.7701, 29.4523, 47.6034)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509EB4 #B46650

analogous

#50B498 #509EB4 #506CB4

triadic

#509EB4 #B4509E #9EB450

tetradic

#509EB4 #9850B4 #B46650 #6CB450

square

#509EB4 #9850B4 #B46650 #6CB450

split-complementary

#509EB4 #B4506C #B49850

monochromatic

#295460 #3C7A8B #509EB4 #7BB6C6 #A6CDD9

Accessibility & contrast

On white

3.05

#509EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#509EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509EB4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509EB4	#FFFFFF	#000000	##000000
##509EB4	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909AB5

Deuteranopia (green-blind)

#818FB4

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #509eb4;
/* rgb */ color: rgb(80, 158, 180);
/* oklch */ color: oklch(65.8% 0.083 218.6);

Tailwind

colors: {
  custom: {
    50: '#89baca',
    500: '#509eb4',
    950: '#000000',
  },
}

SCSS

$custom: #509eb4;
$custom-light: #89baca;
$custom-dark: #000000;

JSON

{
  "hex": "#509eb4",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 193.2,
    "s": 40,
    "l": 50.98
  },
  "oklch": {
    "l": 0.65833,
    "c": 0.08316,
    "h": 218.6
  },
  "luminance": 0.29454
}

Semantic roles & 50–950 ramp

primary

#509EB4

secondary

#C6A39A

accent

#7258D0

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509EB4

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

Preview Lab → · Contrast checker → · Palette generator →