#28349E#28349E

#28349E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.170 H 270.9°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#28349E
RGB	rgb(40, 52, 158)
HSL	hsl(234, 60%, 39%)
HSV	hsv(234, 75%, 62%)
CMYK	cmyk(74.7%, 67.1%, 0%, 38%)
CIE-LAB	lab(27.78, 32.89, -58.79)
CIE-LCH	lch(27.78, 67.36, 299.22°)
OKLab	oklab(39.07% 0.0027 -0.17)
OKLCH	oklch(39.07% 0.17 270.9)
XYZ	xyz(8.2725, 5.3749, 32.9426)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28349E #9E9228

analogous

#286F9E #28349E #57289E

triadic

#28349E #9E2834 #349E28

tetradic

#28349E #9E286F #9E9228 #289E57

square

#28349E #9E286F #9E9228 #289E57

split-complementary

#28349E #9E5728 #6F9E28

monochromatic

#0F143C #1C246D #28349E #3746CC #6873D9

Accessibility & contrast

On white

10.12

#28349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#28349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28349E

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28349E	#FFFFFF	#000000	##FFFFFF
##28349E	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28349e;
/* rgb */ color: rgb(40, 52, 158);
/* oklch */ color: oklch(39.1% 0.170 270.9);

Tailwind

colors: {
  custom: {
    50: '#746bbc',
    500: '#28349e',
    950: '#000000',
  },
}

SCSS

$custom: #28349e;
$custom-light: #746bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#28349e",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 233.898,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39066,
    "c": 0.17002,
    "h": 270.9
  },
  "luminance": 0.05376
}

Semantic roles & 50–950 ramp

primary

#28349E

secondary

#BFB563

accent

#D345E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #28349E

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

Preview Lab → · Contrast checker → · Palette generator →