#28368C#28368C

#28368C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.143 H 270.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#28368C
RGB	rgb(40, 54, 140)
HSL	hsl(232, 56%, 35%)
HSV	hsv(232, 71%, 55%)
CMYK	cmyk(71.4%, 61.4%, 0%, 45.1%)
CIE-LAB	lab(26.68, 24.86, -49.53)
CIE-LCH	lch(26.68, 55.42, 296.66°)
OKLab	oklab(37.77% 0.0021 -0.1428)
OKLCH	oklch(37.77% 0.143 270.8)
XYZ	xyz(6.9263, 4.9822, 25.4025)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28368C #8C7E28

analogous

#28688C #28368C #4C288C

triadic

#28368C #8C2836 #368C28

tetradic

#28368C #8C2868 #8C7E28 #288C4C

square

#28368C #8C2868 #8C7E28 #288C4C

split-complementary

#28368C #8C4C28 #688C28

monochromatic

#0D112D #1A245C #28368C #3648BC #5E6ED1

Accessibility & contrast

On white

10.52

#28368C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#28368C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28368C

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28368C	#FFFFFF	#000000	##FFFFFF
##28368C	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28368c;
/* rgb */ color: rgb(40, 54, 140);
/* oklch */ color: oklch(37.8% 0.143 270.8);

Tailwind

colors: {
  custom: {
    50: '#706cae',
    500: '#28368c',
    950: '#000000',
  },
}

SCSS

$custom: #28368c;
$custom-light: #706cae;
$custom-dark: #000000;

JSON

{
  "hex": "#28368c",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 140
  },
  "hsl": {
    "h": 231.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37768,
    "c": 0.14285,
    "h": 270.8
  },
  "luminance": 0.04983
}

Semantic roles & 50–950 ramp

primary

#28368C

secondary

#B6A95A

accent

#CA49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #28368C

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

Preview Lab → · Contrast checker → · Palette generator →