#28328A#28328A

#28328A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.145 H 272.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#28328A
RGB	rgb(40, 50, 138)
HSL	hsl(234, 55%, 35%)
HSV	hsv(234, 71%, 54%)
CMYK	cmyk(71%, 63.8%, 0%, 45.9%)
CIE-LAB	lab(25.46, 26.81, -50.28)
CIE-LCH	lch(25.46, 56.98, 298.07°)
OKLab	oklab(36.81% 0.0053 -0.1451)
OKLCH	oklch(36.81% 0.145 272.1)
XYZ	xyz(6.6016, 4.5667, 24.5734)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28328A #8A8028

analogous

#28638A #28328A #4F288A

triadic

#28328A #8A2832 #328A28

tetradic

#28328A #8A2863 #8A8028 #288A4F

square

#28328A #8A2863 #8A8028 #288A4F

split-complementary

#28328A #8A4F28 #638A28

monochromatic

#0C102B #1A215B #28328A #3643B9 #5D68D0

Accessibility & contrast

On white

10.98

#28328A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#28328A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28328A

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28328A	#FFFFFF	#000000	##FFFFFF
##28328A	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28328a;
/* rgb */ color: rgb(40, 50, 138);
/* oklch */ color: oklch(36.8% 0.145 272.1);

Tailwind

colors: {
  custom: {
    50: '#706aad',
    500: '#28328a',
    950: '#000000',
  },
}

SCSS

$custom: #28328a;
$custom-light: #706aad;
$custom-dark: #000000;

JSON

{
  "hex": "#28328a",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 138
  },
  "hsl": {
    "h": 233.878,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36811,
    "c": 0.14519,
    "h": 272.1
  },
  "luminance": 0.04567
}

Semantic roles & 50–950 ramp

primary

#28328A

secondary

#B5AC59

accent

#CF49DE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #28328A

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

Preview Lab → · Contrast checker → · Palette generator →