#536BB3#536BB3

#536BB3 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.3% C 0.116 H 268.4°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#536BB3
RGB	rgb(83, 107, 179)
HSL	hsl(225, 39%, 51%)
HSV	hsv(225, 54%, 70%)
CMYK	cmyk(53.6%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(46.46, 12.28, -41.03)
CIE-LCH	lch(46.46, 42.82, 286.66°)
OKLab	oklab(54.27% -0.0032 -0.1162)
OKLCH	oklch(54.27% 0.116 268.4)
XYZ	xyz(16.9590, 15.6079, 44.7580)
Luminance	0.1561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536BB3 #B39B53

analogous

#539BB3 #536BB3 #6B53B3

triadic

#536BB3 #B3536B #6BB353

tetradic

#536BB3 #B3539B #B39B53 #53B36B

square

#536BB3 #B3539B #B39B53 #53B36B

split-complementary

#536BB3 #B36B53 #9BB353

monochromatic

#2B3861 #3E518B #536BB3 #7D90C6 #A8B4D9

Accessibility & contrast

On white

5.09

#536BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#536BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536BB3

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536BB3	#FFFFFF	#000000	##FFFFFF
##536BB3	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B6

Deuteranopia (green-blind)

#436AB1

Tritanopia (blue-blind)

#237B86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #536bb3;
/* rgb */ color: rgb(83, 107, 179);
/* oklch */ color: oklch(54.3% 0.116 268.4);

Tailwind

colors: {
  custom: {
    50: '#8a95ca',
    500: '#536bb3',
    950: '#000000',
  },
}

SCSS

$custom: #536bb3;
$custom-light: #8a95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#536bb3",
  "rgb": {
    "r": 83,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 225,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54274,
    "c": 0.11629,
    "h": 268.4
  },
  "luminance": 0.15609
}

Semantic roles & 50–950 ramp

primary

#536BB3

secondary

#C6BB9C

accent

#B159CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536BB3

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

Preview Lab → · Contrast checker → · Palette generator →