#53639D#53639D

#53639D is a mid, moderate blue. Relative luminance 0.132; OKLCH L 51.3% C 0.094 H 271.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#53639D
RGB	rgb(83, 99, 157)
HSL	hsl(227, 31%, 47%)
HSV	hsv(227, 47%, 62%)
CMYK	cmyk(47.1%, 36.9%, 0%, 38.4%)
CIE-LAB	lab(43.06, 10.21, -33.46)
CIE-LCH	lch(43.06, 34.98, 286.97°)
OKLab	oklab(51.28% 0.0018 -0.0942)
OKLCH	oklch(51.28% 0.094 271.1)
XYZ	xyz(14.1130, 13.1962, 33.6952)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#53639D #9D8D53

analogous

#53889D #53639D #68539D

triadic

#53639D #9D5363 #639D53

tetradic

#53639D #9D5388 #9D8D53 #539D68

square

#53639D #9D5388 #9D8D53 #539D68

split-complementary

#53639D #9D6853 #889D53

monochromatic

#29314D #3E4A75 #53639D #7684B7 #9EA8CC

Accessibility & contrast

On white

5.77

#53639D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#53639D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #53639D

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##53639D	#FFFFFF	#000000	##FFFFFF
##53639D	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699F

Deuteranopia (green-blind)

#47639C

Tritanopia (blue-blind)

#376F78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #53639d;
/* rgb */ color: rgb(83, 99, 157);
/* oklch */ color: oklch(51.3% 0.094 271.1);

Tailwind

colors: {
  custom: {
    50: '#878fba',
    500: '#53639d',
    950: '#000000',
  },
}

SCSS

$custom: #53639d;
$custom-light: #878fba;
$custom-dark: #000000;

JSON

{
  "hex": "#53639d",
  "rgb": {
    "r": 83,
    "g": 99,
    "b": 157
  },
  "hsl": {
    "h": 227.027,
    "s": 30.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.51277,
    "c": 0.09424,
    "h": 271.1
  },
  "luminance": 0.13197
}

Semantic roles & 50–950 ramp

primary

#53639D

secondary

#B9B193

accent

#B161C7

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0C0C11

muted

#7D7D80

Preview Lab

Preview with #53639D

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

Preview Lab → · Contrast checker → · Palette generator →