#28369C#28369C

#28369C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.165 H 270.5°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#28369C
RGB	rgb(40, 54, 156)
HSL	hsl(233, 59%, 38%)
HSV	hsv(233, 74%, 61%)
CMYK	cmyk(74.4%, 65.4%, 0%, 38.8%)
CIE-LAB	lab(28.08, 30.85, -57.07)
CIE-LCH	lch(28.08, 64.87, 298.40°)
OKLab	oklab(39.23% 0.0015 -0.165)
OKLCH	oklch(39.23% 0.165 270.5)
XYZ	xyz(8.1929, 5.4889, 32.0737)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28369C #9C8E28

analogous

#28709C #28369C #54289C

triadic

#28369C #9C2836 #369C28

tetradic

#28369C #9C2870 #9C8E28 #289C54

square

#28369C #9C2870 #9C8E28 #289C54

split-complementary

#28369C #9C5428 #709C28

monochromatic

#0F143B #1C256B #28369C #3648CB #6774D8

Accessibility & contrast

On white

10.01

#28369C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#28369C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28369C

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28369C	#FFFFFF	#000000	##FFFFFF
##28369C	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003D9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28369c;
/* rgb */ color: rgb(40, 54, 156);
/* oklch */ color: oklch(39.2% 0.165 270.5);

Tailwind

colors: {
  custom: {
    50: '#746dba',
    500: '#28369c',
    950: '#000000',
  },
}

SCSS

$custom: #28369c;
$custom-light: #746dba;
$custom-dark: #000000;

JSON

{
  "hex": "#28369c",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 156
  },
  "hsl": {
    "h": 232.759,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39234,
    "c": 0.16496,
    "h": 270.5
  },
  "luminance": 0.0549
}

Semantic roles & 50–950 ramp

primary

#28369C

secondary

#BEB362

accent

#CF45E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #28369C

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

Preview Lab → · Contrast checker → · Palette generator →