#5381BB#5381BB

#5381BB is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.103 H 254.8°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#5381BB
RGB	rgb(83, 129, 187)
HSL	hsl(213, 43%, 53%)
HSV	hsv(213, 56%, 73%)
CMYK	cmyk(55.6%, 31%, 0%, 26.7%)
CIE-LAB	lab(53.09, 1.50, -35.19)
CIE-LCH	lch(53.09, 35.22, 272.44°)
OKLab	oklab(59.56% -0.0268 -0.0991)
OKLCH	oklch(59.56% 0.103 254.8)
XYZ	xyz(20.3840, 21.1257, 50.0076)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5381BB #BB8D53

analogous

#53B5BB #5381BB #5953BB

triadic

#5381BB #BB5381 #81BB53

tetradic

#5381BB #BB53B5 #BB8D53 #53BB59

square

#5381BB #BB53B5 #BB8D53 #53BB59

split-complementary

#5381BB #BB5953 #B5BB53

monochromatic

#2A466A #3B6396 #5381BB #7FA1CC #ABC1DE

Accessibility & contrast

On white

4.02

#5381BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#5381BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5381BB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5381BB	#FFFFFF	#000000	##000000
##5381BB	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BD

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#0A8E96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5381bb;
/* rgb */ color: rgb(83, 129, 187);
/* oklch */ color: oklch(59.6% 0.103 254.8);

Tailwind

colors: {
  custom: {
    50: '#8ba5cf',
    500: '#5381bb',
    950: '#000000',
  },
}

SCSS

$custom: #5381bb;
$custom-light: #8ba5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5381bb",
  "rgb": {
    "r": 83,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 213.462,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59555,
    "c": 0.10266,
    "h": 254.8
  },
  "luminance": 0.21127
}

Semantic roles & 50–950 ramp

primary

#5381BB

secondary

#CBB79E

accent

#9B55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5381BB

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

Preview Lab → · Contrast checker → · Palette generator →