#28366A#28366A

#28366A is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.0% C 0.092 H 269.8°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#28366A
RGB	rgb(40, 54, 106)
HSL	hsl(227, 45%, 29%)
HSV	hsv(227, 62%, 42%)
CMYK	cmyk(62.3%, 49.1%, 0%, 58.4%)
CIE-LAB	lab(24.10, 11.92, -32.24)
CIE-LCH	lch(24.10, 34.37, 290.30°)
OKLab	oklab(35% -0.0003 -0.092)
OKLCH	oklch(35% 0.092 269.8)
XYZ	xyz(4.7949, 4.1297, 14.1773)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28366A #6A5C28

analogous

#28576A #28366A #3B286A

triadic

#28366A #6A2836 #366A28

tetradic

#28366A #6A2857 #6A5C28 #286A3B

square

#28366A #6A2857 #6A5C28 #286A3B

split-complementary

#28366A #6A3B28 #576A28

monochromatic

#080B16 #171F3E #28366A #394D96 #5067BD

Accessibility & contrast

On white

11.50

#28366A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28366A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28366A

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28366A	#FFFFFF	#000000	##FFFFFF
##28366A	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3C6C

Deuteranopia (green-blind)

#133769

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28366a;
/* rgb */ color: rgb(40, 54, 106);
/* oklch */ color: oklch(35.0% 0.092 269.8);

Tailwind

colors: {
  custom: {
    50: '#696c95',
    500: '#28366a',
    950: '#000000',
  },
}

SCSS

$custom: #28366a;
$custom-light: #696c95;
$custom-dark: #000000;

JSON

{
  "hex": "#28366a",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 106
  },
  "hsl": {
    "h": 227.273,
    "s": 45.205,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35001,
    "c": 0.092,
    "h": 269.8
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#28366A

secondary

#9D8D51

accent

#B953D5

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #28366A

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

Preview Lab → · Contrast checker → · Palette generator →