#536EBB#536EBB

#536EBB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.124 H 267.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#536EBB
RGB	rgb(83, 110, 187)
HSL	hsl(224, 43%, 53%)
HSV	hsv(224, 56%, 73%)
CMYK	cmyk(55.6%, 41.2%, 0%, 26.7%)
CIE-LAB	lab(47.72, 13.05, -43.66)
CIE-LCH	lch(47.72, 45.56, 286.64°)
OKLab	oklab(55.39% -0.005 -0.1239)
OKLCH	oklch(55.39% 0.124 267.7)
XYZ	xyz(18.1099, 16.5774, 49.2495)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536EBB #BBA053

analogous

#53A2BB #536EBB #6C53BB

triadic

#536EBB #BB536E #6EBB53

tetradic

#536EBB #BB53A2 #BBA053 #53BB6C

square

#536EBB #BB53A2 #BBA053 #53BB6C

split-complementary

#536EBB #BB6C53 #A2BB53

monochromatic

#2A3A6A #3B5396 #536EBB #7F93CC #ABB8DE

Accessibility & contrast

On white

4.87

#536EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#536EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EBB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536EBB	#FFFFFF	#000000	##FFFFFF
##536EBB	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BE

Deuteranopia (green-blind)

#416DB9

Tritanopia (blue-blind)

#167F8B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536ebb;
/* rgb */ color: rgb(83, 110, 187);
/* oklch */ color: oklch(55.4% 0.124 267.7);

Tailwind

colors: {
  custom: {
    50: '#8b97d0',
    500: '#536ebb',
    950: '#000000',
  },
}

SCSS

$custom: #536ebb;
$custom-light: #8b97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#536ebb",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 187
  },
  "hsl": {
    "h": 224.423,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55391,
    "c": 0.12403,
    "h": 267.7
  },
  "luminance": 0.16579
}

Semantic roles & 50–950 ramp

primary

#536EBB

secondary

#CBC09E

accent

#B255D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #536EBB

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

Preview Lab → · Contrast checker → · Palette generator →