#52639B#52639B

#52639B is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.1% C 0.092 H 270.1°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#52639B
RGB	rgb(82, 99, 155)
HSL	hsl(226, 31%, 46%)
HSV	hsv(226, 47%, 61%)
CMYK	cmyk(47.1%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(42.89, 9.32, -32.54)
CIE-LCH	lch(42.89, 33.85, 285.98°)
OKLab	oklab(51.1% 0.0002 -0.0916)
OKLCH	oklch(51.1% 0.092 270.1)
XYZ	xyz(13.8560, 13.0833, 32.7992)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52639B #9B8A52

analogous

#52889B #52639B #66529B

triadic

#52639B #9B5263 #639B52

tetradic

#52639B #9B5288 #9B8A52 #529B66

square

#52639B #9B5288 #9B8A52 #529B66

split-complementary

#52639B #9B6652 #889B52

monochromatic

#28304B #3D4973 #52639B #7484B6 #9DA7CB

Accessibility & contrast

On white

5.81

#52639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#52639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #52639B

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52639B	#FFFFFF	#000000	##FFFFFF
##52639B	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699D

Deuteranopia (green-blind)

#47629A

Tritanopia (blue-blind)

#376F78

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #52639b;
/* rgb */ color: rgb(82, 99, 155);
/* oklch */ color: oklch(51.1% 0.092 270.1);

Tailwind

colors: {
  custom: {
    50: '#868fb9',
    500: '#52639b',
    950: '#000000',
  },
}

SCSS

$custom: #52639b;
$custom-light: #868fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#52639b",
  "rgb": {
    "r": 82,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 226.027,
    "s": 30.802,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51095,
    "c": 0.09157,
    "h": 270.1
  },
  "luminance": 0.13084
}

Semantic roles & 50–950 ramp

primary

#52639B

secondary

#B8AF91

accent

#AF61C7

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0C11

muted

#7C7D80

Preview Lab

Preview with #52639B

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

Preview Lab → · Contrast checker → · Palette generator →