#509FD1#509FD1

#509FD1 is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.3% C 0.107 H 238.9°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#509FD1
RGB	rgb(80, 159, 209)
HSL	hsl(203, 58%, 57%)
HSV	hsv(203, 62%, 82%)
CMYK	cmyk(61.7%, 23.9%, 0%, 18%)
CIE-LAB	lab(62.59, -9.23, -32.79)
CIE-LCH	lch(62.59, 34.06, 254.28°)
OKLab	oklab(67.33% -0.0554 -0.092)
OKLCH	oklch(67.33% 0.107 238.9)
XYZ	xyz(27.2107, 31.1025, 64.8786)
Luminance	0.3110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FD1 #D18250

analogous

#50D1C3 #509FD1 #505FD1

triadic

#509FD1 #D1509F #9FD150

tetradic

#509FD1 #C350D1 #D18250 #5FD150

square

#509FD1 #C350D1 #D18250 #5FD150

split-complementary

#509FD1 #D1505F #D1C350

monochromatic

#235E84 #2F81B4 #509FD1 #80BADE #B1D4EA

Accessibility & contrast

On white

2.91

#509FD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#509FD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FD1

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FD1	#FFFFFF	#000000	##000000
##509FD1	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889FD3

Deuteranopia (green-blind)

#7692D0

Tritanopia (blue-blind)

#00ACB0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #509fd1;
/* rgb */ color: rgb(80, 159, 209);
/* oklch */ color: oklch(67.3% 0.107 238.9);

Tailwind

colors: {
  custom: {
    50: '#8dbbdf',
    500: '#509fd1',
    950: '#000000',
  },
}

SCSS

$custom: #509fd1;
$custom-light: #8dbbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#509fd1",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 203.256,
    "s": 58.371,
    "l": 56.667
  },
  "oklch": {
    "l": 0.67331,
    "c": 0.10742,
    "h": 238.9
  },
  "luminance": 0.31105
}

Semantic roles & 50–950 ramp

primary

#509FD1

secondary

#D9B8A4

accent

#8246E2

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509FD1

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

Preview Lab → · Contrast checker → · Palette generator →