#28368F#28368F

#28368F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.147 H 270.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#28368F
RGB	rgb(40, 54, 143)
HSL	hsl(232, 56%, 36%)
HSV	hsv(232, 72%, 56%)
CMYK	cmyk(72%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(26.94, 25.99, -50.97)
CIE-LCH	lch(26.94, 57.21, 297.02°)
OKLab	oklab(38.04% 0.002 -0.1471)
OKLCH	oklch(38.04% 0.147 270.8)
XYZ	xyz(7.1505, 5.0719, 26.5834)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28368F #8F8128

analogous

#28698F #28368F #4D288F

triadic

#28368F #8F2836 #368F28

tetradic

#28368F #8F2869 #8F8128 #288F4D

square

#28368F #8F2869 #8F8128 #288F4D

split-complementary

#28368F #8F4D28 #698F28

monochromatic

#0D122F #1B245F #28368F #3548BF #5F6FD2

Accessibility & contrast

On white

10.42

#28368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#28368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28368F

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28368F	#FFFFFF	#000000	##FFFFFF
##28368F	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #28368f;
/* rgb */ color: rgb(40, 54, 143);
/* oklch */ color: oklch(38.0% 0.147 270.8);

Tailwind

colors: {
  custom: {
    50: '#716db1',
    500: '#28368f',
    950: '#000000',
  },
}

SCSS

$custom: #28368f;
$custom-light: #716db1;
$custom-dark: #000000;

JSON

{
  "hex": "#28368f",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 231.845,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38036,
    "c": 0.14708,
    "h": 270.8
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#28368F

secondary

#B8AB5B

accent

#CB48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #28368F

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

Preview Lab → · Contrast checker → · Palette generator →