#28366F#28366F

#28366F is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.100 H 270.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#28366F
RGB	rgb(40, 54, 111)
HSL	hsl(228, 47%, 30%)
HSV	hsv(228, 64%, 44%)
CMYK	cmyk(64%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(24.44, 13.82, -34.90)
CIE-LCH	lch(24.44, 37.54, 291.60°)
OKLab	oklab(35.37% 0.0004 -0.0998)
OKLCH	oklch(35.37% 0.1 270.2)
XYZ	xyz(5.0625, 4.2367, 15.5868)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28366F #6F6128

analogous

#285A6F #28366F #3E286F

triadic

#28366F #6F2836 #366F28

tetradic

#28366F #6F285A #6F6128 #286F3E

square

#28366F #6F285A #6F6128 #286F3E

split-complementary

#28366F #6F3E28 #5A6F28

monochromatic

#080B16 #182042 #28366F #384C9C #5167C0

Accessibility & contrast

On white

11.37

#28366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#28366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28366F

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28366F	#FFFFFF	#000000	##FFFFFF
##28366F	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193D71

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28366f;
/* rgb */ color: rgb(40, 54, 111);
/* oklch */ color: oklch(35.4% 0.100 270.2);

Tailwind

colors: {
  custom: {
    50: '#6a6c99',
    500: '#28366f',
    950: '#000000',
  },
}

SCSS

$custom: #28366f;
$custom-light: #6a6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#28366f",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 228.169,
    "s": 47.02,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35373,
    "c": 0.09982,
    "h": 270.2
  },
  "luminance": 0.04237
}

Semantic roles & 50–950 ramp

primary

#28366F

secondary

#A19251

accent

#BC51D7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #28366F

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

Preview Lab → · Contrast checker → · Palette generator →