#536583#536583

#536583 is a mid, muted blue. Relative luminance 0.128; OKLCH L 50.4% C 0.053 H 260.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#536583
RGB	rgb(83, 101, 131)
HSL	hsl(218, 22%, 42%)
HSV	hsv(218, 37%, 51%)
CMYK	cmyk(36.6%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(42.44, 1.14, -18.85)
CIE-LCH	lch(42.44, 18.89, 273.45°)
OKLab	oklab(50.4% -0.0087 -0.0522)
OKLCH	oklch(50.4% 0.053 260.5)
XYZ	xyz(12.3165, 12.7845, 23.2870)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536583 #837153

analogous

#537D83 #536583 #595383

triadic

#536583 #835365 #658353

tetradic

#536583 #83537D #837153 #538359

square

#536583 #83537D #837153 #538359

split-complementary

#536583 #835953 #7D8353

monochromatic

#242B38 #3B485E #536583 #6F83A4 #95A3BC

Accessibility & contrast

On white

5.90

#536583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#536583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536583

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536583	#FFFFFF	#000000	##FFFFFF
##536583	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6784

Deuteranopia (green-blind)

#566282

Tritanopia (blue-blind)

#446B6F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #536583;
/* rgb */ color: rgb(83, 101, 131);
/* oklch */ color: oklch(50.4% 0.053 260.5);

Tailwind

colors: {
  custom: {
    50: '#8590a7',
    500: '#536583',
    950: '#000000',
  },
}

SCSS

$custom: #536583;
$custom-light: #8590a7;
$custom-dark: #000000;

JSON

{
  "hex": "#536583",
  "rgb": {
    "r": 83,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 217.5,
    "s": 22.43,
    "l": 41.961
  },
  "oklch": {
    "l": 0.504,
    "c": 0.05289,
    "h": 260.5
  },
  "luminance": 0.12785
}

Semantic roles & 50–950 ramp

primary

#536583

secondary

#A99D89

accent

#9F69BF

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0C0F

muted

#7C7D7F

Preview Lab

Preview with #536583

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

Preview Lab → · Contrast checker → · Palette generator →