#28364C#28364C

#28364C is a dark, muted blue. Relative luminance 0.036; OKLCH L 33.1% C 0.043 H 259.2°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#28364C
RGB	rgb(40, 54, 76)
HSL	hsl(217, 31%, 23%)
HSV	hsv(217, 47%, 30%)
CMYK	cmyk(47.4%, 28.9%, 0%, 70.2%)
CIE-LAB	lab(22.34, 1.05, -15.32)
CIE-LCH	lch(22.34, 15.36, 273.93°)
OKLab	oklab(33.07% -0.0081 -0.0427)
OKLCH	oklch(33.07% 0.043 259.2)
XYZ	xyz(3.4983, 3.6111, 7.3487)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28364C #4C3E28

analogous

#28484C #28364C #2C284C

triadic

#28364C #4C2836 #364C28

tetradic

#28364C #4C2848 #4C3E28 #284C2C

square

#28364C #4C2848 #4C3E28 #284C2C

split-complementary

#28364C #4C2C28 #484C28

monochromatic

#0B0E14 #131A24 #28364C #3D5274 #526F9C

Accessibility & contrast

On white

12.19

#28364C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#28364C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28364C

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28364C	#FFFFFF	#000000	##FFFFFF
##28364C	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E374D

Deuteranopia (green-blind)

#2A344C

Tritanopia (blue-blind)

#1B3B3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28364c;
/* rgb */ color: rgb(40, 54, 76);
/* oklch */ color: oklch(33.1% 0.043 259.2);

Tailwind

colors: {
  custom: {
    50: '#646c7e',
    500: '#28364c',
    950: '#000000',
  },
}

SCSS

$custom: #28364c;
$custom-light: #646c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#28364c",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 76
  },
  "hsl": {
    "h": 216.667,
    "s": 31.034,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33074,
    "c": 0.04348,
    "h": 259.2
  },
  "luminance": 0.03611
}

Semantic roles & 50–950 ramp

primary

#28364C

secondary

#7E6D51

accent

#9F61C7

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #28364C

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

Preview Lab → · Contrast checker → · Palette generator →