#28366E#28366E

#28366E is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.098 H 270.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#28366E
RGB	rgb(40, 54, 110)
HSL	hsl(228, 47%, 29%)
HSV	hsv(228, 64%, 43%)
CMYK	cmyk(63.6%, 50.9%, 0%, 56.9%)
CIE-LAB	lab(24.37, 13.44, -34.37)
CIE-LCH	lch(24.37, 36.91, 291.36°)
OKLab	oklab(35.3% 0.0003 -0.0983)
OKLCH	oklch(35.3% 0.098 270.2)
XYZ	xyz(5.0078, 4.2148, 15.2985)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28366E #6E6028

analogous

#28596E #28366E #3D286E

triadic

#28366E #6E2836 #366E28

tetradic

#28366E #6E2859 #6E6028 #286E3D

square

#28366E #6E2859 #6E6028 #286E3D

split-complementary

#28366E #6E3D28 #596E28

monochromatic

#080B16 #182041 #28366E #384C9B #5167C0

Accessibility & contrast

On white

11.39

#28366E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#28366E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28366E

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28366E	#FFFFFF	#000000	##FFFFFF
##28366E	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3D70

Deuteranopia (green-blind)

#0D376D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28366e;
/* rgb */ color: rgb(40, 54, 110);
/* oklch */ color: oklch(35.3% 0.098 270.2);

Tailwind

colors: {
  custom: {
    50: '#696c98',
    500: '#28366e',
    950: '#000000',
  },
}

SCSS

$custom: #28366e;
$custom-light: #696c98;
$custom-dark: #000000;

JSON

{
  "hex": "#28366e",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 110
  },
  "hsl": {
    "h": 228,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35297,
    "c": 0.09827,
    "h": 270.2
  },
  "luminance": 0.04215
}

Semantic roles & 50–950 ramp

primary

#28366E

secondary

#A09151

accent

#BC51D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #28366E

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

Preview Lab → · Contrast checker → · Palette generator →