#536BCB#536BCB

#536BCB is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.8% C 0.150 H 270.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#536BCB
RGB	rgb(83, 107, 203)
HSL	hsl(228, 54%, 56%)
HSV	hsv(228, 59%, 80%)
CMYK	cmyk(59.1%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(47.83, 20.25, -52.69)
CIE-LCH	lch(47.83, 56.45, 291.03°)
OKLab	oklab(55.78% 0.0009 -0.1505)
OKLCH	oklch(55.78% 0.15 270.3)
XYZ	xyz(19.6009, 16.6646, 58.6720)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536BCB #CBB353

analogous

#53A7CB #536BCB #7753CB

triadic

#536BCB #CB536B #6BCB53

tetradic

#536BCB #CB53A7 #CBB353 #53CB77

square

#536BCB #CB53A7 #CBB353 #53CB77

split-complementary

#536BCB #CB7753 #A7CB53

monochromatic

#26387E #344CAD #536BCB #8293D9 #B1BCE7

Accessibility & contrast

On white

4.85

#536BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#536BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536BCB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536BCB	#FFFFFF	#000000	##FFFFFF
##536BCB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C77CF

Deuteranopia (green-blind)

#296CC9

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536bcb;
/* rgb */ color: rgb(83, 107, 203);
/* oklch */ color: oklch(55.8% 0.150 270.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#536bcb",
  "rgb": {
    "r": 83,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 228,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55776,
    "c": 0.15047,
    "h": 270.3
  },
  "luminance": 0.16666
}

Semantic roles & 50–950 ramp

primary

#536BCB

secondary

#D6CCA4

accent

#C04BDD

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536BCB

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

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