#536BBB#536BBB

#536BBB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.8% C 0.128 H 269.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#536BBB
RGB	rgb(83, 107, 187)
HSL	hsl(226, 43%, 53%)
HSV	hsv(226, 56%, 73%)
CMYK	cmyk(55.6%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(46.90, 14.91, -44.97)
CIE-LCH	lch(46.90, 47.38, 288.35°)
OKLab	oklab(54.76% -0.0016 -0.1278)
OKLCH	oklch(54.76% 0.128 269.3)
XYZ	xyz(17.7916, 15.9409, 49.1434)
Luminance	0.1594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536BBB #BBA353

analogous

#539FBB #536BBB #6F53BB

triadic

#536BBB #BB536B #6BBB53

tetradic

#536BBB #BB539F #BBA353 #53BB6F

square

#536BBB #BB539F #BBA353 #53BB6F

split-complementary

#536BBB #BB6F53 #9FBB53

monochromatic

#2A396A #3B5096 #536BBB #7F91CC #ABB6DE

Accessibility & contrast

On white

5.01

#536BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#536BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536BBB

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536BBB	#FFFFFF	#000000	##FFFFFF
##536BBB	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)

#4974BE

Deuteranopia (green-blind)

#3C6BB9

Tritanopia (blue-blind)

#177D8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #536bbb;
/* rgb */ color: rgb(83, 107, 187);
/* oklch */ color: oklch(54.8% 0.128 269.3);

Tailwind

colors: {
  custom: {
    50: '#8b95d0',
    500: '#536bbb',
    950: '#000000',
  },
}

SCSS

$custom: #536bbb;
$custom-light: #8b95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#536bbb",
  "rgb": {
    "r": 83,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 226.154,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54756,
    "c": 0.12782,
    "h": 269.3
  },
  "luminance": 0.15942
}

Semantic roles & 50–950 ramp

primary

#536BBB

secondary

#CBC19E

accent

#B655D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #536BBB

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

Preview Lab → · Contrast checker → · Palette generator →