#536FB7#536FB7

#536FB7 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.4% C 0.117 H 266.6°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#536FB7
RGB	rgb(83, 111, 183)
HSL	hsl(223, 41%, 52%)
HSV	hsv(223, 55%, 72%)
CMYK	cmyk(54.6%, 39.3%, 0%, 28.2%)
CIE-LAB	lab(47.78, 11.11, -41.24)
CIE-LCH	lch(47.78, 42.71, 285.08°)
OKLab	oklab(55.37% -0.007 -0.1169)
OKLCH	oklch(55.37% 0.117 266.6)
XYZ	xyz(17.7961, 16.6255, 47.0618)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FB7 #B79B53

analogous

#53A1B7 #536FB7 #6953B7

triadic

#536FB7 #B7536F #6FB753

tetradic

#536FB7 #B753A1 #B79B53 #53B769

square

#536FB7 #B753A1 #B79B53 #53B769

split-complementary

#536FB7 #B76953 #A1B753

monochromatic

#2A3B65 #3C5490 #536FB7 #7E93C9 #A9B7DB

Accessibility & contrast

On white

4.86

#536FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#536FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536FB7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FB7	#FFFFFF	#000000	##FFFFFF
##536FB7	1.00	4.86	4.33	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5276BA

Deuteranopia (green-blind)

#466DB5

Tritanopia (blue-blind)

#1C7F8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536fb7;
/* rgb */ color: rgb(83, 111, 183);
/* oklch */ color: oklch(55.4% 0.117 266.6);

Tailwind

colors: {
  custom: {
    50: '#8a98cd',
    500: '#536fb7',
    950: '#000000',
  },
}

SCSS

$custom: #536fb7;
$custom-light: #8a98cd;
$custom-dark: #000000;

JSON

{
  "hex": "#536fb7",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 183
  },
  "hsl": {
    "h": 223.2,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55368,
    "c": 0.11707,
    "h": 266.6
  },
  "luminance": 0.16627
}

Semantic roles & 50–950 ramp

primary

#536FB7

secondary

#C9BD9D

accent

#AF57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536FB7

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

Preview Lab → · Contrast checker → · Palette generator →