#28358A#28358A

#28358A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.141 H 271.2°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#28358A
RGB	rgb(40, 53, 138)
HSL	hsl(232, 55%, 35%)
HSV	hsv(232, 71%, 54%)
CMYK	cmyk(71%, 61.6%, 0%, 45.9%)
CIE-LAB	lab(26.25, 24.79, -49.00)
CIE-LCH	lch(26.25, 54.91, 296.83°)
OKLab	oklab(37.39% 0.0029 -0.1413)
OKLCH	oklch(37.39% 0.141 271.2)
XYZ	xyz(6.7341, 4.8316, 24.6175)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28358A #8A7D28

analogous

#28668A #28358A #4C288A

triadic

#28358A #8A2835 #358A28

tetradic

#28358A #8A2866 #8A7D28 #288A4C

square

#28358A #8A2866 #8A7D28 #288A4C

split-complementary

#28358A #8A4C28 #668A28

monochromatic

#0C112B #1A235B #28358A #3647B9 #5D6CD0

Accessibility & contrast

On white

10.68

#28358A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#28358A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28358A

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28358A	#FFFFFF	#000000	##FFFFFF
##28358A	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28358a;
/* rgb */ color: rgb(40, 53, 138);
/* oklch */ color: oklch(37.4% 0.141 271.2);

Tailwind

colors: {
  custom: {
    50: '#706cad',
    500: '#28358a',
    950: '#000000',
  },
}

SCSS

$custom: #28358a;
$custom-light: #706cad;
$custom-dark: #000000;

JSON

{
  "hex": "#28358a",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 138
  },
  "hsl": {
    "h": 232.041,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37393,
    "c": 0.14132,
    "h": 271.2
  },
  "luminance": 0.04832
}

Semantic roles & 50–950 ramp

primary

#28358A

secondary

#B5A959

accent

#CB49DE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #28358A

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

Preview Lab → · Contrast checker → · Palette generator →