#28349D#28349D

#28349D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.169 H 270.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#28349D
RGB	rgb(40, 52, 157)
HSL	hsl(234, 59%, 39%)
HSV	hsv(234, 75%, 62%)
CMYK	cmyk(74.5%, 66.9%, 0%, 38.4%)
CIE-LAB	lab(27.68, 32.52, -58.33)
CIE-LCH	lch(27.68, 66.79, 299.14°)
OKLab	oklab(38.97% 0.0028 -0.1687)
OKLCH	oklch(38.97% 0.169 270.9)
XYZ	xyz(8.1868, 5.3406, 32.4911)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28349D #9D9128

analogous

#286E9D #28349D #56289D

triadic

#28349D #9D2834 #349D28

tetradic

#28349D #9D286E #9D9128 #289D56

square

#28349D #9D286E #9D9128 #289D56

split-complementary

#28349D #9D5628 #6E9D28

monochromatic

#0F143B #1C246C #28349D #3646CC #6773D8

Accessibility & contrast

On white

10.15

#28349D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#28349D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28349D

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28349D	#FFFFFF	#000000	##FFFFFF
##28349D	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #28349d;
/* rgb */ color: rgb(40, 52, 157);
/* oklch */ color: oklch(39.0% 0.169 270.9);

Tailwind

colors: {
  custom: {
    50: '#746bbb',
    500: '#28349d',
    950: '#000000',
  },
}

SCSS

$custom: #28349d;
$custom-light: #746bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#28349d",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 157
  },
  "hsl": {
    "h": 233.846,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38969,
    "c": 0.16869,
    "h": 270.9
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#28349D

secondary

#BEB562

accent

#D245E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #28349D

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

Preview Lab → · Contrast checker → · Palette generator →