#28408C#28408C

#28408C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.130 H 267.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#28408C
RGB	rgb(40, 64, 140)
HSL	hsl(226, 56%, 35%)
HSV	hsv(226, 71%, 55%)
CMYK	cmyk(71.4%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(29.44, 18.03, -45.05)
CIE-LCH	lch(29.44, 48.53, 291.81°)
OKLab	oklab(39.83% -0.0066 -0.1295)
OKLCH	oklch(39.83% 0.13 267.1)
XYZ	xyz(7.4405, 6.0106, 25.5739)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28408C #8C7428

analogous

#28728C #28408C #42288C

triadic

#28408C #8C2840 #408C28

tetradic

#28408C #8C2872 #8C7428 #288C42

square

#28408C #8C2872 #8C7428 #288C42

split-complementary

#28408C #8C4228 #728C28

monochromatic

#0D142D #1A2A5C #28408C #3656BC #5E79D1

Accessibility & contrast

On white

9.54

#28408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#28408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28408C

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28408C	#FFFFFF	#000000	##FFFFFF
##28408C	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4A8F

Deuteranopia (green-blind)

#00418A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #28408c;
/* rgb */ color: rgb(40, 64, 140);
/* oklch */ color: oklch(39.8% 0.130 267.1);

Tailwind

colors: {
  custom: {
    50: '#6f74ae',
    500: '#28408c',
    950: '#000000',
  },
}

SCSS

$custom: #28408c;
$custom-light: #6f74ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28408c",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 225.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39832,
    "c": 0.12972,
    "h": 267.1
  },
  "luminance": 0.06011
}

Semantic roles & 50–950 ramp

primary

#28408C

secondary

#B6A05A

accent

#BB49DF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #28408C

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

Preview Lab → · Contrast checker → · Palette generator →