#536CD1#536CD1

#536CD1 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.4% C 0.158 H 270.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#536CD1
RGB	rgb(83, 108, 209)
HSL	hsl(228, 58%, 57%)
HSV	hsv(228, 60%, 82%)
CMYK	cmyk(60.3%, 48.3%, 0%, 18%)
CIE-LAB	lab(48.47, 21.65, -55.10)
CIE-LCH	lch(48.47, 59.20, 291.45°)
OKLab	oklab(56.38% 0.0006 -0.1576)
OKLCH	oklch(56.38% 0.158 270.2)
XYZ	xyz(20.4346, 17.1659, 62.5457)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536CD1 #D1B853

analogous

#53ABD1 #536CD1 #7953D1

triadic

#536CD1 #D1536C #6CD153

tetradic

#536CD1 #D153AB #D1B853 #53D179

square

#536CD1 #D153AB #D1B853 #53D179

split-complementary

#536CD1 #D17953 #ABD153

monochromatic

#243786 #314BB6 #536CD1 #8395DE #B4BFEB

Accessibility & contrast

On white

4.74

#536CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#536CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536CD1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536CD1	#FFFFFF	#000000	##FFFFFF
##536CD1	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3979D5

Deuteranopia (green-blind)

#216ECF

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #536cd1;
/* rgb */ color: rgb(83, 108, 209);
/* oklch */ color: oklch(56.4% 0.158 270.2);

Tailwind

colors: {
  custom: {
    50: '#8e95e0',
    500: '#536cd1',
    950: '#000000',
  },
}

SCSS

$custom: #536cd1;
$custom-light: #8e95e0;
$custom-dark: #000000;

JSON

{
  "hex": "#536cd1",
  "rgb": {
    "r": 83,
    "g": 108,
    "b": 209
  },
  "hsl": {
    "h": 228.095,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56377,
    "c": 0.15756,
    "h": 270.2
  },
  "luminance": 0.17168
}

Semantic roles & 50–950 ramp

primary

#536CD1

secondary

#D9CFA6

accent

#C247E1

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536CD1

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

Preview Lab → · Contrast checker → · Palette generator →