#28328D#28328D

#28328D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.149 H 272.0°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#28328D
RGB	rgb(40, 50, 141)
HSL	hsl(234, 56%, 35%)
HSV	hsv(234, 72%, 55%)
CMYK	cmyk(71.6%, 64.5%, 0%, 44.7%)
CIE-LAB	lab(25.73, 27.93, -51.71)
CIE-LCH	lch(25.73, 58.77, 298.37°)
OKLab	oklab(37.09% 0.0052 -0.1493)
OKLCH	oklch(37.09% 0.149 272)
XYZ	xyz(6.8218, 4.6547, 25.7331)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28328D #8D8328

analogous

#28658D #28328D #50288D

triadic

#28328D #8D2832 #328D28

tetradic

#28328D #8D2865 #8D8328 #288D50

square

#28328D #8D2865 #8D8328 #288D50

split-complementary

#28328D #8D5028 #658D28

monochromatic

#0D102E #1A215D #28328D #3643BD #5E69D1

Accessibility & contrast

On white

10.88

#28328D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#28328D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28328D

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28328D	#FFFFFF	#000000	##FFFFFF
##28328D	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28328d;
/* rgb */ color: rgb(40, 50, 141);
/* oklch */ color: oklch(37.1% 0.149 272.0);

Tailwind

colors: {
  custom: {
    50: '#716aaf',
    500: '#28328d',
    950: '#000000',
  },
}

SCSS

$custom: #28328d;
$custom-light: #716aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#28328d",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 141
  },
  "hsl": {
    "h": 234.059,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37088,
    "c": 0.14937,
    "h": 272
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#28328D

secondary

#B7AE5A

accent

#D049DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #28328D

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

Preview Lab → · Contrast checker → · Palette generator →