#509FBB#509FBB

#509FBB is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.088 H 223.8°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#509FBB
RGB	rgb(80, 159, 187)
HSL	hsl(196, 44%, 52%)
HSV	hsv(196, 57%, 73%)
CMYK	cmyk(57.2%, 15%, 0%, 26.7%)
CIE-LAB	lab(61.73, -16.09, -21.82)
CIE-LCH	lch(61.73, 27.11, 233.61°)
OKLab	oklab(66.36% -0.0633 -0.0607)
OKLCH	oklch(66.36% 0.088 223.8)
XYZ	xyz(24.6726, 30.0873, 51.5113)
Luminance	0.3009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FBB #BB6C50

analogous

#50BBA2 #509FBB #506ABB

triadic

#509FBB #BB509F #9FBB50

tetradic

#509FBB #A250BB #BB6C50 #6ABB50

square

#509FBB #A250BB #BB6C50 #6ABB50

split-complementary

#509FBB #BB506A #BBA250

monochromatic

#285768 #3A7C94 #509FBB #7CB7CC #A8CFDD

Accessibility & contrast

On white

2.99

#509FBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#509FBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FBB

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FBB	#FFFFFF	#000000	##000000
##509FBB	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBC

Deuteranopia (green-blind)

#8090BB

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509fbb;
/* rgb */ color: rgb(80, 159, 187);
/* oklch */ color: oklch(66.4% 0.088 223.8);

Tailwind

colors: {
  custom: {
    50: '#8abbcf',
    500: '#509fbb',
    950: '#000000',
  },
}

SCSS

$custom: #509fbb;
$custom-light: #8abbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#509fbb",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 195.701,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66358,
    "c": 0.08771,
    "h": 223.8
  },
  "luminance": 0.3009
}

Semantic roles & 50–950 ramp

primary

#509FBB

secondary

#CBA89C

accent

#7554D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509FBB

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

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