#536DBD#536DBD

#536DBD is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.128 H 268.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#536DBD
RGB	rgb(83, 109, 189)
HSL	hsl(225, 45%, 53%)
HSV	hsv(225, 56%, 74%)
CMYK	cmyk(56.1%, 42.3%, 0%, 25.9%)
CIE-LAB	lab(47.56, 14.33, -45.08)
CIE-LCH	lch(47.56, 47.30, 287.64°)
OKLab	oklab(55.3% -0.0035 -0.1281)
OKLCH	oklch(55.3% 0.128 268.4)
XYZ	xyz(18.2182, 16.4490, 50.3492)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DBD #BDA353

analogous

#53A2BD #536DBD #6E53BD

triadic

#536DBD #BD536D #6DBD53

tetradic

#536DBD #BD53A2 #BDA353 #53BD6E

square

#536DBD #BD53A2 #BDA353 #53BD6E

split-complementary

#536DBD #BD6E53 #A2BD53

monochromatic

#293A6C #3A5198 #536DBD #7F93CE #ABB8DF

Accessibility & contrast

On white

4.90

#536DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#536DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536DBD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DBD	#FFFFFF	#000000	##FFFFFF
##536DBD	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76C0

Deuteranopia (green-blind)

#3D6CBB

Tritanopia (blue-blind)

#127F8C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536dbd;
/* rgb */ color: rgb(83, 109, 189);
/* oklch */ color: oklch(55.3% 0.128 268.4);

Tailwind

colors: {
  custom: {
    50: '#8b96d1',
    500: '#536dbd',
    950: '#000000',
  },
}

SCSS

$custom: #536dbd;
$custom-light: #8b96d1;
$custom-dark: #000000;

JSON

{
  "hex": "#536dbd",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 189
  },
  "hsl": {
    "h": 225.283,
    "s": 44.538,
    "l": 53.333
  },
  "oklch": {
    "l": 0.553,
    "c": 0.12815,
    "h": 268.4
  },
  "luminance": 0.1645
}

Semantic roles & 50–950 ramp

primary

#536DBD

secondary

#CDC29F

accent

#B554D4

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0D0D14

muted

#7D7E82

Preview Lab

Preview with #536DBD

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

Preview Lab → · Contrast checker → · Palette generator →