#28328E#28328E

#28328E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.151 H 272.0°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#28328E
RGB	rgb(40, 50, 142)
HSL	hsl(234, 56%, 36%)
HSV	hsv(234, 72%, 56%)
CMYK	cmyk(71.8%, 64.8%, 0%, 44.3%)
CIE-LAB	lab(25.82, 28.30, -52.18)
CIE-LCH	lch(25.82, 59.36, 298.47°)
OKLab	oklab(37.18% 0.0052 -0.1507)
OKLCH	oklch(37.18% 0.151 272)
XYZ	xyz(6.8965, 4.6846, 26.1267)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28328E #8E8428

analogous

#28658E #28328E #51288E

triadic

#28328E #8E2832 #328E28

tetradic

#28328E #8E2865 #8E8428 #288E51

square

#28328E #8E2865 #8E8428 #288E51

split-complementary

#28328E #8E5128 #658E28

monochromatic

#0D102F #1B215E #28328E #3543BE #5F6AD2

Accessibility & contrast

On white

10.84

#28328E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#28328E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28328E

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28328E	#FFFFFF	#000000	##FFFFFF
##28328E	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28328e;
/* rgb */ color: rgb(40, 50, 142);
/* oklch */ color: oklch(37.2% 0.151 272.0);

Tailwind

colors: {
  custom: {
    50: '#716ab0',
    500: '#28328e',
    950: '#000000',
  },
}

SCSS

$custom: #28328e;
$custom-light: #716ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#28328e",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 142
  },
  "hsl": {
    "h": 234.118,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37181,
    "c": 0.15076,
    "h": 272
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#28328E

secondary

#B7AE5B

accent

#D148DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #28328E

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

Preview Lab → · Contrast checker → · Palette generator →