#509CBB#509CBB

#509CBB is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.6% C 0.088 H 227.1°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#509CBB
RGB	rgb(80, 156, 187)
HSL	hsl(197, 44%, 52%)
HSV	hsv(197, 57%, 73%)
CMYK	cmyk(57.2%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(60.84, -14.47, -23.18)
CIE-LCH	lch(60.84, 27.33, 238.03°)
OKLab	oklab(65.65% -0.06 -0.0645)
OKLCH	oklch(65.65% 0.088 227.1)
XYZ	xyz(24.1629, 29.0680, 51.3414)
Luminance	0.2907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CBB #BB6F50

analogous

#50BBA4 #509CBB #5067BB

triadic

#509CBB #BB509C #9CBB50

tetradic

#509CBB #A450BB #BB6F50 #67BB50

square

#509CBB #A450BB #BB6F50 #67BB50

split-complementary

#509CBB #BB5067 #BBA450

monochromatic

#285668 #3A7A94 #509CBB #7CB5CC #A8CEDD

Accessibility & contrast

On white

3.08

#509CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#509CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509CBB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CBB	#FFFFFF	#000000	##000000
##509CBB	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C99BD

Deuteranopia (green-blind)

#7C8EBB

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509cbb;
/* rgb */ color: rgb(80, 156, 187);
/* oklch */ color: oklch(65.6% 0.088 227.1);

Tailwind

colors: {
  custom: {
    50: '#8ab9cf',
    500: '#509cbb',
    950: '#000000',
  },
}

SCSS

$custom: #509cbb;
$custom-light: #8ab9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#509cbb",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 197.383,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.65649,
    "c": 0.0881,
    "h": 227.1
  },
  "luminance": 0.2907
}

Semantic roles & 50–950 ramp

primary

#509CBB

secondary

#CBAA9C

accent

#7954D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509CBB

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

Preview Lab → · Contrast checker → · Palette generator →