#28368D#28368D

#28368D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.144 H 270.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#28368D
RGB	rgb(40, 54, 141)
HSL	hsl(232, 56%, 35%)
HSV	hsv(232, 72%, 55%)
CMYK	cmyk(71.6%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(26.77, 25.24, -50.01)
CIE-LCH	lch(26.77, 56.02, 296.78°)
OKLab	oklab(37.86% 0.0021 -0.1443)
OKLCH	oklch(37.86% 0.144 270.8)
XYZ	xyz(7.0003, 5.0118, 25.7926)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28368D #8D7F28

analogous

#28688D #28368D #4C288D

triadic

#28368D #8D2836 #368D28

tetradic

#28368D #8D2868 #8D7F28 #288D4C

square

#28368D #8D2868 #8D7F28 #288D4C

split-complementary

#28368D #8D4C28 #688D28

monochromatic

#0D112E #1A245D #28368D #3648BD #5E6ED1

Accessibility & contrast

On white

10.49

#28368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#28368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28368D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28368D	#FFFFFF	#000000	##FFFFFF
##28368D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28368d;
/* rgb */ color: rgb(40, 54, 141);
/* oklch */ color: oklch(37.9% 0.144 270.8);

Tailwind

colors: {
  custom: {
    50: '#706caf',
    500: '#28368d',
    950: '#000000',
  },
}

SCSS

$custom: #28368d;
$custom-light: #706caf;
$custom-dark: #000000;

JSON

{
  "hex": "#28368d",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 231.683,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37857,
    "c": 0.14427,
    "h": 270.8
  },
  "luminance": 0.05013
}

Semantic roles & 50–950 ramp

primary

#28368D

secondary

#B7AA5A

accent

#CA49DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #28368D

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

Preview Lab → · Contrast checker → · Palette generator →