#28409F#28409F

#28409F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.157 H 268.0°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#28409F
RGB	rgb(40, 64, 159)
HSL	hsl(228, 60%, 39%)
HSV	hsv(228, 75%, 62%)
CMYK	cmyk(74.8%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(30.93, 25.33, -54.24)
CIE-LCH	lch(30.93, 59.87, 295.03°)
OKLab	oklab(41.42% -0.0056 -0.1566)
OKLCH	oklch(41.42% 0.157 268)
XYZ	xyz(8.9643, 6.6202, 33.5995)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28409F #9F8728

analogous

#287C9F #28409F #4C289F

triadic

#28409F #9F2840 #409F28

tetradic

#28409F #9F287C #9F8728 #289F4C

square

#28409F #9F287C #9F8728 #289F4C

split-complementary

#28409F #9F4C28 #7C9F28

monochromatic

#0F193D #1C2C6E #28409F #3756CD #687FD9

Accessibility & contrast

On white

9.04

#28409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#28409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28409F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28409F	#FFFFFF	#000000	##FFFFFF
##28409F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28409f;
/* rgb */ color: rgb(40, 64, 159);
/* oklch */ color: oklch(41.4% 0.157 268.0);

Tailwind

colors: {
  custom: {
    50: '#7474bc',
    500: '#28409f',
    950: '#000000',
  },
}

SCSS

$custom: #28409f;
$custom-light: #7474bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28409f",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 227.899,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41416,
    "c": 0.15667,
    "h": 268
  },
  "luminance": 0.06621
}

Semantic roles & 50–950 ramp

primary

#28409F

secondary

#BFAD64

accent

#C345E3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28409F

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

Preview Lab → · Contrast checker → · Palette generator →