#536CCB#536CCB

#536CCB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.149 H 269.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#536CCB
RGB	rgb(83, 108, 203)
HSL	hsl(228, 54%, 56%)
HSV	hsv(228, 59%, 80%)
CMYK	cmyk(59.1%, 46.8%, 0%, 20.4%)
CIE-LAB	lab(48.10, 19.63, -52.26)
CIE-LCH	lch(48.10, 55.83, 290.59°)
OKLab	oklab(55.98% -0.0001 -0.1492)
OKLCH	oklch(55.98% 0.149 269.9)
XYZ	xyz(19.7057, 16.8743, 58.7070)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536CCB #CBB253

analogous

#53A8CB #536CCB #7653CB

triadic

#536CCB #CB536C #6CCB53

tetradic

#536CCB #CB53A8 #CBB253 #53CB76

square

#536CCB #CB53A8 #CBB253 #53CB76

split-complementary

#536CCB #CB7653 #A8CB53

monochromatic

#26387E #344DAD #536CCB #8294D9 #B1BCE7

Accessibility & contrast

On white

4.80

#536CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#536CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536CCB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536CCB	#FFFFFF	#000000	##FFFFFF
##536CCB	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78CF

Deuteranopia (green-blind)

#2C6DC9

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #536ccb;
/* rgb */ color: rgb(83, 108, 203);
/* oklch */ color: oklch(56.0% 0.149 269.9);

Tailwind

colors: {
  custom: {
    50: '#8d95db',
    500: '#536ccb',
    950: '#000000',
  },
}

SCSS

$custom: #536ccb;
$custom-light: #8d95db;
$custom-dark: #000000;

JSON

{
  "hex": "#536ccb",
  "rgb": {
    "r": 83,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 227.5,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55979,
    "c": 0.1492,
    "h": 269.9
  },
  "luminance": 0.16876
}

Semantic roles & 50–950 ramp

primary

#536CCB

secondary

#D6CBA4

accent

#BF4BDD

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536CCB

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

Preview Lab → · Contrast checker → · Palette generator →