#5399BB#5399BB

#5399BB is a light, moderate cyan. Relative luminance 0.282; OKLCH L 65.1% C 0.087 H 231.3°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#5399BB
RGB	rgb(83, 153, 187)
HSL	hsl(200, 43%, 53%)
HSV	hsv(200, 56%, 73%)
CMYK	cmyk(55.6%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(60.08, -12.21, -24.35)
CIE-LCH	lch(60.08, 27.24, 243.36°)
OKLab	oklab(65.07% -0.0544 -0.0678)
OKLCH	oklch(65.07% 0.087 231.3)
XYZ	xyz(23.9248, 28.2072, 51.1878)
Luminance	0.2821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399BB #BB7553

analogous

#53BBA9 #5399BB #5365BB

triadic

#5399BB #BB5399 #99BB53

tetradic

#5399BB #A953BB #BB7553 #65BB53

square

#5399BB #A953BB #BB7553 #65BB53

split-complementary

#5399BB #BB5365 #BBA953

monochromatic

#2A556A #3B7896 #5399BB #7FB3CC #ABCDDE

Accessibility & contrast

On white

3.16

#5399BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#5399BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5399BB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399BB	#FFFFFF	#000000	##000000
##5399BB	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#798CBB

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5399bb;
/* rgb */ color: rgb(83, 153, 187);
/* oklch */ color: oklch(65.1% 0.087 231.3);

Tailwind

colors: {
  custom: {
    50: '#8bb7cf',
    500: '#5399bb',
    950: '#000000',
  },
}

SCSS

$custom: #5399bb;
$custom-light: #8bb7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5399bb",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 199.615,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65072,
    "c": 0.08693,
    "h": 231.3
  },
  "luminance": 0.28209
}

Semantic roles & 50–950 ramp

primary

#5399BB

secondary

#CBAD9E

accent

#7E55D3

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #5399BB

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

Preview Lab → · Contrast checker → · Palette generator →