#28328F#28328F

#28328F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.152 H 271.9°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#28328F
RGB	rgb(40, 50, 143)
HSL	hsl(234, 56%, 36%)
HSV	hsv(234, 72%, 56%)
CMYK	cmyk(72%, 65%, 0%, 43.9%)
CIE-LAB	lab(25.91, 28.67, -52.66)
CIE-LCH	lch(25.91, 59.96, 298.57°)
OKLab	oklab(37.28% 0.0051 -0.1521)
OKLCH	oklch(37.28% 0.152 271.9)
XYZ	xyz(6.9719, 4.7148, 26.5239)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28328F #8F8528

analogous

#28658F #28328F #51288F

triadic

#28328F #8F2832 #328F28

tetradic

#28328F #8F2865 #8F8528 #288F51

square

#28328F #8F2865 #8F8528 #288F51

split-complementary

#28328F #8F5128 #658F28

monochromatic

#0D112F #1B215F #28328F #3543BF #5F6AD2

Accessibility & contrast

On white

10.81

#28328F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#28328F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28328F

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28328F	#FFFFFF	#000000	##FFFFFF
##28328F	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28328f;
/* rgb */ color: rgb(40, 50, 143);
/* oklch */ color: oklch(37.3% 0.152 271.9);

Tailwind

colors: {
  custom: {
    50: '#716ab1',
    500: '#28328f',
    950: '#000000',
  },
}

SCSS

$custom: #28328f;
$custom-light: #716ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#28328f",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 143
  },
  "hsl": {
    "h": 234.175,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37275,
    "c": 0.15215,
    "h": 271.9
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary

#28328F

secondary

#B8AF5B

accent

#D148E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #28328F

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

Preview Lab → · Contrast checker → · Palette generator →