#509EC9#509EC9

#509EC9 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.7% C 0.100 H 235.1°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#509EC9
RGB	rgb(80, 158, 201)
HSL	hsl(201, 53%, 55%)
HSV	hsv(201, 60%, 79%)
CMYK	cmyk(60.2%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(61.98, -11.22, -29.29)
CIE-LCH	lch(61.98, 31.36, 249.04°)
OKLab	oklab(66.73% -0.0571 -0.0819)
OKLCH	oklch(66.73% 0.1 235.1)
XYZ	xyz(26.0737, 30.3737, 59.7357)
Luminance	0.3038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509EC9 #C97B50

analogous

#50C9B7 #509EC9 #5062C9

triadic

#509EC9 #C9509E #9EC950

tetradic

#509EC9 #B750C9 #C97B50 #62C950

square

#509EC9 #B750C9 #C97B50 #62C950

split-complementary

#509EC9 #C95062 #C9B750

monochromatic

#255B79 #347FA8 #509EC9 #7FB8D7 #AED2E6

Accessibility & contrast

On white

2.97

#509EC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#509EC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509EC9

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509EC9	#FFFFFF	#000000	##000000
##509EC9	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9DCB

Deuteranopia (green-blind)

#7990C8

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509ec9;
/* rgb */ color: rgb(80, 158, 201);
/* oklch */ color: oklch(66.7% 0.100 235.1);

Tailwind

colors: {
  custom: {
    50: '#8bbad9',
    500: '#509ec9',
    950: '#000000',
  },
}

SCSS

$custom: #509ec9;
$custom-light: #8bbad9;
$custom-dark: #000000;

JSON

{
  "hex": "#509ec9",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 201.322,
    "s": 52.838,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66732,
    "c": 0.09988,
    "h": 235.1
  },
  "luminance": 0.30376
}

Semantic roles & 50–950 ramp

primary

#509EC9

secondary

#D4B3A1

accent

#7F4CDC

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #509EC9

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

Preview Lab → · Contrast checker → · Palette generator →