#536FD9#536FD9

#536FD9 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.5% C 0.165 H 269.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#536FD9
RGB	rgb(83, 111, 217)
HSL	hsl(227, 64%, 59%)
HSV	hsv(227, 62%, 85%)
CMYK	cmyk(61.8%, 48.8%, 0%, 14.9%)
CIE-LAB	lab(49.76, 22.50, -57.58)
CIE-LCH	lch(49.76, 61.82, 291.34°)
OKLab	oklab(57.52% -0.0014 -0.1648)
OKLCH	oklch(57.52% 0.165 269.5)
XYZ	xyz(21.7719, 18.2158, 68.0008)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FD9 #D9BD53

analogous

#53B2D9 #536FD9 #7A53D9

triadic

#536FD9 #D9536F #6FD953

tetradic

#536FD9 #D953B2 #D9BD53 #53D97A

square

#536FD9 #D953B2 #D9BD53 #53D97A

split-complementary

#536FD9 #D97A53 #B2D953

monochromatic

#203891 #2B4BC4 #536FD9 #8599E4 #B7C3EF

Accessibility & contrast

On white

4.52

#536FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#536FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #536FD9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FD9	#FFFFFF	#000000	##000000
##536FD9	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377DDD

Deuteranopia (green-blind)

#1A71D7

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #536fd9;
/* rgb */ color: rgb(83, 111, 217);
/* oklch */ color: oklch(57.5% 0.165 269.5);

Tailwind

colors: {
  custom: {
    50: '#8f97e5',
    500: '#536fd9',
    950: '#000000',
  },
}

SCSS

$custom: #536fd9;
$custom-light: #8f97e5;
$custom-dark: #000000;

JSON

{
  "hex": "#536fd9",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 217
  },
  "hsl": {
    "h": 227.463,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.57515,
    "c": 0.16482,
    "h": 269.5
  },
  "luminance": 0.18218
}

Semantic roles & 50–950 ramp

primary

#536FD9

secondary

#DED3AA

accent

#C441E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #536FD9

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

Preview Lab → · Contrast checker → · Palette generator →