#536FDD#536FDD

#536FDD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.8% C 0.170 H 269.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#536FDD
RGB	rgb(83, 111, 221)
HSL	hsl(228, 67%, 60%)
HSV	hsv(228, 62%, 87%)
CMYK	cmyk(62.4%, 49.8%, 0%, 13.3%)
CIE-LAB	lab(50.01, 23.85, -59.44)
CIE-LCH	lch(50.01, 64.05, 291.87°)
OKLab	oklab(57.79% -0.001 -0.1703)
OKLCH	oklch(57.79% 0.17 269.7)
XYZ	xyz(22.2985, 18.4264, 70.7742)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FDD #DDC153

analogous

#53B4DD #536FDD #7C53DD

triadic

#536FDD #DD536F #6FDD53

tetradic

#536FDD #DD53B4 #DDC153 #53DD7C

square

#536FDD #DD53B4 #DDC153 #53DD7C

split-complementary

#536FDD #DD7C53 #B4DD53

monochromatic

#1E3798 #2849CB #536FDD #869AE7 #B9C5F1

Accessibility & contrast

On white

4.48

#536FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#536FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #536FDD

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FDD	#FFFFFF	#000000	##000000
##536FDD	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE1

Deuteranopia (green-blind)

#0C71DB

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #536fdd;
/* rgb */ color: rgb(83, 111, 221);
/* oklch */ color: oklch(57.8% 0.170 269.7);

Tailwind

colors: {
  custom: {
    50: '#9097e8',
    500: '#536fdd',
    950: '#000000',
  },
}

SCSS

$custom: #536fdd;
$custom-light: #9097e8;
$custom-dark: #000000;

JSON

{
  "hex": "#536fdd",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 221
  },
  "hsl": {
    "h": 227.826,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.57788,
    "c": 0.17027,
    "h": 269.7
  },
  "luminance": 0.18428
}

Semantic roles & 50–950 ramp

primary

#536FDD

secondary

#E1D6AB

accent

#C73EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #536FDD

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

Preview Lab → · Contrast checker → · Palette generator →