#536DD9#536DD9

#536DD9 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.1% C 0.167 H 270.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#536DD9
RGB	rgb(83, 109, 217)
HSL	hsl(228, 64%, 59%)
HSV	hsv(228, 62%, 85%)
CMYK	cmyk(61.8%, 49.8%, 0%, 14.9%)
CIE-LAB	lab(49.23, 23.74, -58.42)
CIE-LCH	lch(49.23, 63.06, 292.11°)
OKLab	oklab(57.12% 0.0005 -0.1673)
OKLCH	oklch(57.12% 0.167 270.2)
XYZ	xyz(21.5561, 17.7842, 67.9289)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DD9 #D9BF53

analogous

#53B0D9 #536DD9 #7C53D9

triadic

#536DD9 #D9536D #6DD953

tetradic

#536DD9 #D953B0 #D9BF53 #53D97C

square

#536DD9 #D953B0 #D9BF53 #53D97C

split-complementary

#536DD9 #D97C53 #B0D953

monochromatic

#203691 #2B49C4 #536DD9 #8598E4 #B7C2EF

Accessibility & contrast

On white

4.61

#536DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#536DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #536DD9

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DD9	#FFFFFF	#000000	##FFFFFF
##536DD9	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327BDD

Deuteranopia (green-blind)

#106FD7

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #536dd9;
/* rgb */ color: rgb(83, 109, 217);
/* oklch */ color: oklch(57.1% 0.167 270.2);

Tailwind

colors: {
  custom: {
    50: '#8f96e5',
    500: '#536dd9',
    950: '#000000',
  },
}

SCSS

$custom: #536dd9;
$custom-light: #8f96e5;
$custom-dark: #000000;

JSON

{
  "hex": "#536dd9",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 217
  },
  "hsl": {
    "h": 228.358,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.57118,
    "c": 0.16731,
    "h": 270.2
  },
  "luminance": 0.17786
}

Semantic roles & 50–950 ramp

primary

#536DD9

secondary

#DED4AA

accent

#C741E7

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #536DD9

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

Preview Lab → · Contrast checker → · Palette generator →