#28329B#28329B

#28329B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.168 H 271.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#28329B
RGB	rgb(40, 50, 155)
HSL	hsl(235, 59%, 38%)
HSV	hsv(235, 74%, 61%)
CMYK	cmyk(74.2%, 67.7%, 0%, 39.2%)
CIE-LAB	lab(27.01, 33.08, -58.21)
CIE-LCH	lch(27.01, 66.96, 299.61°)
OKLab	oklab(38.42% 0.0042 -0.1683)
OKLCH	oklch(38.42% 0.168 271.4)
XYZ	xyz(7.9301, 5.0981, 31.5701)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28329B #9B9128

analogous

#286B9B #28329B #58289B

triadic

#28329B #9B2832 #329B28

tetradic

#28329B #9B286B #9B9128 #289B58

square

#28329B #9B286B #9B9128 #289B58

split-complementary

#28329B #9B5828 #6B9B28

monochromatic

#0F133A #1B226A #28329B #3542CB #6670D7

Accessibility & contrast

On white

10.40

#28329B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#28329B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28329B

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28329B	#FFFFFF	#000000	##FFFFFF
##28329B	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003A99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #28329b;
/* rgb */ color: rgb(40, 50, 155);
/* oklch */ color: oklch(38.4% 0.168 271.4);

Tailwind

colors: {
  custom: {
    50: '#746ab9',
    500: '#28329b',
    950: '#000000',
  },
}

SCSS

$custom: #28329b;
$custom-light: #746ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#28329b",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 155
  },
  "hsl": {
    "h": 234.783,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38423,
    "c": 0.16838,
    "h": 271.4
  },
  "luminance": 0.05099
}

Semantic roles & 50–950 ramp

primary

#28329B

secondary

#BDB561

accent

#D546E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #28329B

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

Preview Lab → · Contrast checker → · Palette generator →