#28344B#28344B

#28344B is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.5% C 0.044 H 262.9°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#28344B
RGB	rgb(40, 52, 75)
HSL	hsl(219, 30%, 23%)
HSV	hsv(219, 47%, 29%)
CMYK	cmyk(46.7%, 30.7%, 0%, 70.6%)
CIE-LAB	lab(21.63, 2.09, -15.75)
CIE-LCH	lch(21.63, 15.89, 277.55°)
OKLab	oklab(32.51% -0.0054 -0.044)
OKLCH	oklch(32.51% 0.044 262.9)
XYZ	xyz(3.3727, 3.4149, 7.1367)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28344B #4B3F28

analogous

#28454B #28344B #2E284B

triadic

#28344B #4B2834 #344B28

tetradic

#28344B #4B2845 #4B3F28 #284B2E

square

#28344B #4B2845 #4B3F28 #284B2E

split-complementary

#28344B #4B2E28 #454B28

monochromatic

#0B0E14 #131823 #28344B #3D5073 #536B9B

Accessibility & contrast

On white

12.48

#28344B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#28344B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28344B

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28344B	#FFFFFF	#000000	##FFFFFF
##28344B	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C364C

Deuteranopia (green-blind)

#28324A

Tritanopia (blue-blind)

#1C393C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28344b;
/* rgb */ color: rgb(40, 52, 75);
/* oklch */ color: oklch(32.5% 0.044 262.9);

Tailwind

colors: {
  custom: {
    50: '#646b7d',
    500: '#28344b',
    950: '#000000',
  },
}

SCSS

$custom: #28344b;
$custom-light: #646b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#28344b",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 75
  },
  "hsl": {
    "h": 219.429,
    "s": 30.435,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32505,
    "c": 0.04429,
    "h": 262.9
  },
  "luminance": 0.03415
}

Semantic roles & 50–950 ramp

primary

#28344B

secondary

#7D6E51

accent

#A461C7

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#050609

muted

#7A7A7B

Preview Lab

Preview with #28344B

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

Preview Lab → · Contrast checker → · Palette generator →