#28408D#28408D

#28408D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.131 H 267.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#28408D
RGB	rgb(40, 64, 141)
HSL	hsl(226, 56%, 35%)
HSV	hsv(226, 72%, 55%)
CMYK	cmyk(71.6%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(29.51, 18.42, -45.55)
CIE-LCH	lch(29.51, 49.13, 292.02°)
OKLab	oklab(39.91% -0.0065 -0.131)
OKLCH	oklch(39.91% 0.131 267.2)
XYZ	xyz(7.5145, 6.0402, 25.9640)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28408D #8D7528

analogous

#28728D #28408D #43288D

triadic

#28408D #8D2840 #408D28

tetradic

#28408D #8D2872 #8D7528 #288D43

square

#28408D #8D2872 #8D7528 #288D43

split-complementary

#28408D #8D4328 #728D28

monochromatic

#0D152E #1A2A5D #28408D #3656BD #5E79D1

Accessibility & contrast

On white

9.51

#28408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#28408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28408D

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28408D	#FFFFFF	#000000	##FFFFFF
##28408D	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094A90

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #28408d;
/* rgb */ color: rgb(40, 64, 141);
/* oklch */ color: oklch(39.9% 0.131 267.2);

Tailwind

colors: {
  custom: {
    50: '#6f74af',
    500: '#28408d',
    950: '#000000',
  },
}

SCSS

$custom: #28408d;
$custom-light: #6f74af;
$custom-dark: #000000;

JSON

{
  "hex": "#28408d",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 225.743,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39912,
    "c": 0.13117,
    "h": 267.2
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#28408D

secondary

#B7A15A

accent

#BB49DF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #28408D

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

Preview Lab → · Contrast checker → · Palette generator →