#536FDB#536FDB

#536FDB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.7% C 0.168 H 269.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#536FDB
RGB	rgb(83, 111, 219)
HSL	hsl(228, 65%, 59%)
HSV	hsv(228, 62%, 86%)
CMYK	cmyk(62.1%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(49.88, 23.17, -58.51)
CIE-LCH	lch(49.88, 62.93, 291.61°)
OKLab	oklab(57.65% -0.0012 -0.1675)
OKLCH	oklch(57.65% 0.168 269.6)
XYZ	xyz(22.0336, 18.3205, 69.3792)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FDB #DBBF53

analogous

#53B3DB #536FDB #7B53DB

triadic

#536FDB #DB536F #6FDB53

tetradic

#536FDB #DB53B3 #DBBF53 #53DB7B

square

#536FDB #DB53B3 #DBBF53 #53DB7B

split-complementary

#536FDB #DB7B53 #B3DB53

monochromatic

#1F3795 #2A4AC7 #536FDB #8699E6 #B8C4F0

Accessibility & contrast

On white

4.50

#536FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#536FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #536FDB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FDB	#FFFFFF	#000000	##000000
##536FDB	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357DDF

Deuteranopia (green-blind)

#1471D9

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #536fdb;
/* rgb */ color: rgb(83, 111, 219);
/* oklch */ color: oklch(57.7% 0.168 269.6);

Tailwind

colors: {
  custom: {
    50: '#9097e7',
    500: '#536fdb',
    950: '#000000',
  },
}

SCSS

$custom: #536fdb;
$custom-light: #9097e7;
$custom-dark: #000000;

JSON

{
  "hex": "#536fdb",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 227.647,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.57651,
    "c": 0.16755,
    "h": 269.6
  },
  "luminance": 0.18322
}

Semantic roles & 50–950 ramp

primary

#536FDB

secondary

#DFD5AA

accent

#C63FE8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #536FDB

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

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