#536DBB#536DBB

#536DBB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.125 H 268.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#536DBB
RGB	rgb(83, 109, 187)
HSL	hsl(225, 43%, 53%)
HSV	hsv(225, 56%, 73%)
CMYK	cmyk(55.6%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(47.45, 13.67, -44.10)
CIE-LCH	lch(47.45, 46.17, 287.22°)
OKLab	oklab(55.18% -0.0039 -0.1252)
OKLCH	oklch(55.18% 0.125 268.2)
XYZ	xyz(18.0026, 16.3628, 49.2137)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DBB #BBA153

analogous

#53A1BB #536DBB #6D53BB

triadic

#536DBB #BB536D #6DBB53

tetradic

#536DBB #BB53A1 #BBA153 #53BB6D

square

#536DBB #BB53A1 #BBA153 #53BB6D

split-complementary

#536DBB #BB6D53 #A1BB53

monochromatic

#2A3A6A #3B5296 #536DBB #7F92CC #ABB7DE

Accessibility & contrast

On white

4.91

#536DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#536DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536DBB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DBB	#FFFFFF	#000000	##FFFFFF
##536DBB	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BE

Deuteranopia (green-blind)

#3F6CB9

Tritanopia (blue-blind)

#167E8B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536dbb;
/* rgb */ color: rgb(83, 109, 187);
/* oklch */ color: oklch(55.2% 0.125 268.2);

Tailwind

colors: {
  custom: {
    50: '#8b96d0',
    500: '#536dbb',
    950: '#000000',
  },
}

SCSS

$custom: #536dbb;
$custom-light: #8b96d0;
$custom-dark: #000000;

JSON

{
  "hex": "#536dbb",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 225,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.12528,
    "h": 268.2
  },
  "luminance": 0.16364
}

Semantic roles & 50–950 ramp

primary

#536DBB

secondary

#CBC09E

accent

#B355D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #536DBB

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

Preview Lab → · Contrast checker → · Palette generator →