#536DD0#536DD0

#536DD0 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.5% C 0.155 H 269.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#536DD0
RGB	rgb(83, 109, 208)
HSL	hsl(228, 57%, 57%)
HSV	hsv(228, 60%, 82%)
CMYK	cmyk(60.1%, 47.6%, 0%, 18.4%)
CIE-LAB	lab(48.67, 20.69, -54.21)
CIE-LCH	lch(48.67, 58.02, 290.89°)
OKLab	oklab(56.51% -0.0005 -0.1549)
OKLCH	oklch(56.51% 0.155 269.8)
XYZ	xyz(20.4173, 17.3287, 61.9311)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DD0 #D0B653

analogous

#53ACD0 #536DD0 #7853D0

triadic

#536DD0 #D0536D #6DD053

tetradic

#536DD0 #D053AC #D0B653 #53D078

square

#536DD0 #D053AC #D0B653 #53D078

split-complementary

#536DD0 #D07853 #ACD053

monochromatic

#243884 #314DB4 #536DD0 #8396DD #B3BFEA

Accessibility & contrast

On white

4.70

#536DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#536DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536DD0

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DD0	#FFFFFF	#000000	##FFFFFF
##536DD0	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C79D4

Deuteranopia (green-blind)

#266ECE

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #536dd0;
/* rgb */ color: rgb(83, 109, 208);
/* oklch */ color: oklch(56.5% 0.155 269.8);

Tailwind

colors: {
  custom: {
    50: '#8e96df',
    500: '#536dd0',
    950: '#000000',
  },
}

SCSS

$custom: #536dd0;
$custom-light: #8e96df;
$custom-dark: #000000;

JSON

{
  "hex": "#536dd0",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 208
  },
  "hsl": {
    "h": 227.52,
    "s": 57.078,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56511,
    "c": 0.15491,
    "h": 269.8
  },
  "luminance": 0.1733
}

Semantic roles & 50–950 ramp

primary

#536DD0

secondary

#D9CEA6

accent

#C147E0

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536DD0

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

Preview Lab → · Contrast checker → · Palette generator →