#28349B#28349B

#28349B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.166 H 271.0°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#28349B
RGB	rgb(40, 52, 155)
HSL	hsl(234, 59%, 38%)
HSV	hsv(234, 74%, 61%)
CMYK	cmyk(74.2%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(27.50, 31.79, -57.42)
CIE-LCH	lch(27.50, 65.63, 298.97°)
OKLab	oklab(38.78% 0.0029 -0.166)
OKLCH	oklch(38.78% 0.166 271)
XYZ	xyz(8.0174, 5.2728, 31.5992)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28349B #9B8F28

analogous

#286D9B #28349B #55289B

triadic

#28349B #9B2834 #349B28

tetradic

#28349B #9B286D #9B8F28 #289B55

square

#28349B #9B286D #9B8F28 #289B55

split-complementary

#28349B #9B5528 #6D9B28

monochromatic

#0F133A #1B246A #28349B #3545CB #6672D7

Accessibility & contrast

On white

10.22

#28349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#28349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28349B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28349B	#FFFFFF	#000000	##FFFFFF
##28349B	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #28349b;
/* rgb */ color: rgb(40, 52, 155);
/* oklch */ color: oklch(38.8% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#746bb9',
    500: '#28349b',
    950: '#000000',
  },
}

SCSS

$custom: #28349b;
$custom-light: #746bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#28349b",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 233.739,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38777,
    "c": 0.16602,
    "h": 271
  },
  "luminance": 0.05274
}

Semantic roles & 50–950 ramp

primary

#28349B

secondary

#BDB461

accent

#D246E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #28349B

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

Preview Lab → · Contrast checker → · Palette generator →