#28369A#28369A

#28369A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.162 H 270.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#28369A
RGB	rgb(40, 54, 154)
HSL	hsl(233, 59%, 38%)
HSV	hsv(233, 74%, 60%)
CMYK	cmyk(74%, 64.9%, 0%, 39.6%)
CIE-LAB	lab(27.90, 30.11, -56.14)
CIE-LCH	lch(27.90, 63.71, 298.20°)
OKLab	oklab(39.05% 0.0017 -0.1622)
OKLCH	oklch(39.05% 0.162 270.6)
XYZ	xyz(8.0250, 5.4217, 31.1891)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28369A #9A8C28

analogous

#286F9A #28369A #53289A

triadic

#28369A #9A2836 #369A28

tetradic

#28369A #9A286F #9A8C28 #289A53

square

#28369A #9A286F #9A8C28 #289A53

split-complementary

#28369A #9A5328 #6F9A28

monochromatic

#0F1439 #1B2569 #28369A #3547CA #6573D7

Accessibility & contrast

On white

10.07

#28369A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#28369A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28369A

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28369A	#FFFFFF	#000000	##FFFFFF
##28369A	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003D98

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28369a;
/* rgb */ color: rgb(40, 54, 154);
/* oklch */ color: oklch(39.0% 0.162 270.6);

Tailwind

colors: {
  custom: {
    50: '#736db9',
    500: '#28369a',
    950: '#000000',
  },
}

SCSS

$custom: #28369a;
$custom-light: #736db9;
$custom-dark: #000000;

JSON

{
  "hex": "#28369a",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 154
  },
  "hsl": {
    "h": 232.632,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39046,
    "c": 0.16225,
    "h": 270.6
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#28369A

secondary

#BDB261

accent

#CF46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #28369A

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

Preview Lab → · Contrast checker → · Palette generator →