#53639B#53639B

#53639B is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.2% C 0.091 H 270.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#53639B
RGB	rgb(83, 99, 155)
HSL	hsl(227, 30%, 47%)
HSV	hsv(227, 46%, 61%)
CMYK	cmyk(46.5%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(42.96, 9.58, -32.43)
CIE-LCH	lch(42.96, 33.81, 286.46°)
OKLab	oklab(51.17% 0.0013 -0.0912)
OKLCH	oklch(51.17% 0.091 270.8)
XYZ	xyz(13.9437, 13.1285, 32.8033)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#53639B #9B8B53

analogous

#53879B #53639B #67539B

triadic

#53639B #9B5363 #639B53

tetradic

#53639B #9B5387 #9B8B53 #539B67

square

#53639B #9B5387 #9B8B53 #539B67

split-complementary

#53639B #9B6753 #879B53

monochromatic

#28304B #3E4A73 #53639B #7684B5 #9EA8CB

Accessibility & contrast

On white

5.79

#53639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#53639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #53639B

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##53639B	#FFFFFF	#000000	##FFFFFF
##53639B	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F699D

Deuteranopia (green-blind)

#48639A

Tritanopia (blue-blind)

#396F78

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #53639b;
/* rgb */ color: rgb(83, 99, 155);
/* oklch */ color: oklch(51.2% 0.091 270.8);

Tailwind

colors: {
  custom: {
    50: '#878fb9',
    500: '#53639b',
    950: '#000000',
  },
}

SCSS

$custom: #53639b;
$custom-light: #878fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#53639b",
  "rgb": {
    "r": 83,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 226.667,
    "s": 30.252,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.09124,
    "h": 270.8
  },
  "luminance": 0.13129
}

Semantic roles & 50–950 ramp

primary

#53639B

secondary

#B8B092

accent

#B061C6

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0C11

muted

#7C7D80

Preview Lab

Preview with #53639B

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

Preview Lab → · Contrast checker → · Palette generator →