#536DB1#536DB1

#536DB1 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.6% C 0.111 H 266.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#536DB1
RGB	rgb(83, 109, 177)
HSL	hsl(223, 38%, 51%)
HSV	hsv(223, 53%, 69%)
CMYK	cmyk(53.1%, 38.4%, 0%, 30.6%)
CIE-LAB	lab(46.91, 10.39, -39.14)
CIE-LCH	lch(46.91, 40.50, 284.86°)
OKLab	oklab(54.59% -0.006 -0.1107)
OKLCH	oklch(54.59% 0.111 266.9)
XYZ	xyz(16.9691, 15.9494, 43.7708)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536DB1 #B19753

analogous

#539CB1 #536DB1 #6853B1

triadic

#536DB1 #B1536D #6DB153

tetradic

#536DB1 #B1539C #B19753 #53B168

square

#536DB1 #B1539C #B19753 #53B168

split-complementary

#536DB1 #B16853 #9CB153

monochromatic

#2B395F #3E5389 #536DB1 #7D91C4 #A7B4D7

Accessibility & contrast

On white

5.01

#536DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#536DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536DB1

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536DB1	#FFFFFF	#000000	##FFFFFF
##536DB1	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B4

Deuteranopia (green-blind)

#476BB0

Tritanopia (blue-blind)

#257C86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #536db1;
/* rgb */ color: rgb(83, 109, 177);
/* oklch */ color: oklch(54.6% 0.111 266.9);

Tailwind

colors: {
  custom: {
    50: '#8996c8',
    500: '#536db1',
    950: '#000000',
  },
}

SCSS

$custom: #536db1;
$custom-light: #8996c8;
$custom-dark: #000000;

JSON

{
  "hex": "#536db1",
  "rgb": {
    "r": 83,
    "g": 109,
    "b": 177
  },
  "hsl": {
    "h": 223.404,
    "s": 37.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54588,
    "c": 0.1109,
    "h": 266.9
  },
  "luminance": 0.15951
}

Semantic roles & 50–950 ramp

primary

#536DB1

secondary

#C5B99B

accent

#AE5ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536DB1

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

Preview Lab → · Contrast checker → · Palette generator →