#536FBF#536FBF

#536FBF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.128 H 267.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#536FBF
RGB	rgb(83, 111, 191)
HSL	hsl(224, 46%, 54%)
HSV	hsv(224, 57%, 75%)
CMYK	cmyk(56.5%, 41.9%, 0%, 25.1%)
CIE-LAB	lab(48.22, 13.75, -45.18)
CIE-LCH	lch(48.22, 47.22, 286.93°)
OKLab	oklab(55.85% -0.0054 -0.1284)
OKLCH	oklch(55.85% 0.128 267.6)
XYZ	xyz(18.6525, 16.9680, 51.5723)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FBF #BFA353

analogous

#53A5BF #536FBF #6D53BF

triadic

#536FBF #BF536F #6FBF53

tetradic

#536FBF #BF53A5 #BFA353 #53BF6D

square

#536FBF #BF53A5 #BFA353 #53BF6D

split-complementary

#536FBF #BF6D53 #A5BF53

monochromatic

#293B6E #3A539B #536FBF #8094D0 #ACBAE0

Accessibility & contrast

On white

4.78

#536FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#536FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536FBF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FBF	#FFFFFF	#000000	##FFFFFF
##536FBF	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#0B818E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #536fbf;
/* rgb */ color: rgb(83, 111, 191);
/* oklch */ color: oklch(55.8% 0.128 267.6);

Tailwind

colors: {
  custom: {
    50: '#8b98d3',
    500: '#536fbf',
    950: '#000000',
  },
}

SCSS

$custom: #536fbf;
$custom-light: #8b98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#536fbf",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 191
  },
  "hsl": {
    "h": 224.444,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55845,
    "c": 0.12848,
    "h": 267.6
  },
  "luminance": 0.16969
}

Semantic roles & 50–950 ramp

primary

#536FBF

secondary

#CEC2A0

accent

#B352D5

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #536FBF

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

Preview Lab → · Contrast checker → · Palette generator →