#536DDB#536DDB

#536DDB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.3% C 0.170 H 270.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#536DDB
RGB	rgb(83, 109, 219)
HSL	hsl(229, 65%, 59%)
HSV	hsv(229, 62%, 86%)
CMYK	cmyk(62.1%, 50.2%, 0%, 14.1%)
CIE-LAB	lab(49.36, 24.42, -59.35)
CIE-LCH	lch(49.36, 64.18, 292.36°)
OKLab	oklab(57.26% 0.0007 -0.17)
OKLCH	oklch(57.26% 0.17 270.2)
XYZ	xyz(21.8178, 17.8889, 69.3072)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DDB #DBC153

analogous

#53B1DB #536DDB #7D53DB

triadic

#536DDB #DB536D #6DDB53

tetradic

#536DDB #DB53B1 #DBC153 #53DB7D

square

#536DDB #DB53B1 #DBC153 #53DB7D

split-complementary

#536DDB #DB7D53 #B1DB53

monochromatic

#1F3695 #2A48C7 #536DDB #8698E6 #B8C3F0

Accessibility & contrast

On white

4.59

#536DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#536DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #536DDB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DDB	#FFFFFF	#000000	##FFFFFF
##536DDB	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#307CDF

Deuteranopia (green-blind)

#0670D9

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #536ddb;
/* rgb */ color: rgb(83, 109, 219);
/* oklch */ color: oklch(57.3% 0.170 270.2);

Tailwind

colors: {
  custom: {
    50: '#9096e7',
    500: '#536ddb',
    950: '#000000',
  },
}

SCSS

$custom: #536ddb;
$custom-light: #9096e7;
$custom-dark: #000000;

JSON

{
  "hex": "#536ddb",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 228.529,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.57256,
    "c": 0.17004,
    "h": 270.2
  },
  "luminance": 0.17891
}

Semantic roles & 50–950 ramp

primary

#536DDB

secondary

#DFD5AA

accent

#C83FE8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #536DDB

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

Preview Lab → · Contrast checker → · Palette generator →