#509EB2#509EB2

#509EB2 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.8% C 0.082 H 216.7°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#509EB2
RGB	rgb(80, 158, 178)
HSL	hsl(192, 39%, 51%)
HSV	hsv(192, 55%, 70%)
CMYK	cmyk(55.1%, 11.2%, 0%, 30.2%)
CIE-LAB	lab(61.11, -18.24, -17.71)
CIE-LCH	lch(61.11, 25.42, 224.15°)
OKLab	oklab(65.75% -0.0658 -0.0491)
OKLCH	oklch(65.75% 0.082 216.7)
XYZ	xyz(23.5679, 29.3714, 46.5381)
Luminance	0.2937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509EB2 #B26450

analogous

#50B295 #509EB2 #506DB2

triadic

#509EB2 #B2509E #9EB250

tetradic

#509EB2 #9550B2 #B26450 #6DB250

square

#509EB2 #9550B2 #B26450 #6DB250

split-complementary

#509EB2 #B2506D #B29550

monochromatic

#29535E #3C7989 #509EB2 #7AB6C5 #A5CDD7

Accessibility & contrast

On white

3.05

#509EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#509EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509EB2

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509EB2	#FFFFFF	#000000	##000000
##509EB2	1.00	3.05	6.87	6.87
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909AB3

Deuteranopia (green-blind)

#828FB2

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509eb2;
/* rgb */ color: rgb(80, 158, 178);
/* oklch */ color: oklch(65.8% 0.082 216.7);

Tailwind

colors: {
  custom: {
    50: '#89bac9',
    500: '#509eb2',
    950: '#000000',
  },
}

SCSS

$custom: #509eb2;
$custom-light: #89bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#509eb2",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 178
  },
  "hsl": {
    "h": 192.245,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65753,
    "c": 0.08204,
    "h": 216.7
  },
  "luminance": 0.29374
}

Semantic roles & 50–950 ramp

primary

#509EB2

secondary

#C5A299

accent

#7159CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509EB2

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

Preview Lab → · Contrast checker → · Palette generator →