#509CD3#509CD3

#509CD3 is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.111 H 242.4°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#509CD3
RGB	rgb(80, 156, 211)
HSL	hsl(205, 60%, 57%)
HSV	hsv(205, 62%, 83%)
CMYK	cmyk(62.1%, 26.1%, 0%, 17.3%)
CIE-LAB	lab(61.81, -6.91, -35.12)
CIE-LCH	lch(61.81, 35.80, 258.86°)
OKLab	oklab(66.74% -0.0516 -0.0987)
OKLCH	oklch(66.74% 0.111 242.4)
XYZ	xyz(26.9502, 30.1829, 66.0210)
Luminance	0.3019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CD3 #D38750

analogous

#50D3C9 #509CD3 #505BD3

triadic

#509CD3 #D3509C #9CD350

tetradic

#509CD3 #C950D3 #D38750 #5BD350

square

#509CD3 #C950D3 #D38750 #5BD350

split-complementary

#509CD3 #D3505B #D3C950

monochromatic

#225C87 #2E7EB8 #509CD3 #81B8DF #B2D3EC

Accessibility & contrast

On white

2.98

#509CD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#509CD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509CD3

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CD3	#FFFFFF	#000000	##000000
##509CD3	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839DD6

Deuteranopia (green-blind)

#7290D2

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509cd3;
/* rgb */ color: rgb(80, 156, 211);
/* oklch */ color: oklch(66.7% 0.111 242.4);

Tailwind

colors: {
  custom: {
    50: '#8db9e0',
    500: '#509cd3',
    950: '#000000',
  },
}

SCSS

$custom: #509cd3;
$custom-light: #8db9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#509cd3",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 211
  },
  "hsl": {
    "h": 205.191,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.6674,
    "c": 0.11141,
    "h": 242.4
  },
  "luminance": 0.30186
}

Semantic roles & 50–950 ramp

primary

#509CD3

secondary

#DABBA5

accent

#8745E3

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509CD3

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

Preview Lab → · Contrast checker → · Palette generator →