#509BD4#509BD4

#509BD4 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.113 H 243.7°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#509BD4
RGB	rgb(80, 155, 212)
HSL	hsl(206, 61%, 57%)
HSV	hsv(206, 62%, 83%)
CMYK	cmyk(62.3%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(61.57, -6.03, -36.06)
CIE-LCH	lch(61.57, 36.56, 260.51°)
OKLab	oklab(66.56% -0.0502 -0.1015)
OKLCH	oklch(66.56% 0.113 243.7)
XYZ	xyz(26.9088, 29.8990, 66.6276)
Luminance	0.2990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BD4 #D48950

analogous

#50D4CB #509BD4 #5059D4

triadic

#509BD4 #D4509B #9BD450

tetradic

#509BD4 #CB50D4 #D48950 #59D450

square

#509BD4 #CB50D4 #D48950 #59D450

split-complementary

#509BD4 #D45059 #D4CB50

monochromatic

#215C88 #2E7DB9 #509BD4 #81B7E0 #B2D3EC

Accessibility & contrast

On white

3.01

#509BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#509BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BD4

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BD4	#FFFFFF	#000000	##000000
##509BD4	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD7

Deuteranopia (green-blind)

#708FD3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509bd4;
/* rgb */ color: rgb(80, 155, 212);
/* oklch */ color: oklch(66.6% 0.113 243.7);

Tailwind

colors: {
  custom: {
    50: '#8db8e1',
    500: '#509bd4',
    950: '#000000',
  },
}

SCSS

$custom: #509bd4;
$custom-light: #8db8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#509bd4",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 205.909,
    "s": 60.55,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66561,
    "c": 0.11322,
    "h": 243.7
  },
  "luminance": 0.29902
}

Semantic roles & 50–950 ramp

primary

#509BD4

secondary

#DBBCA5

accent

#8944E4

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509BD4

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

Preview Lab → · Contrast checker → · Palette generator →