#28358E#28358E

#28358E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.147 H 271.1°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#28358E
RGB	rgb(40, 53, 142)
HSL	hsl(232, 56%, 36%)
HSV	hsv(232, 72%, 56%)
CMYK	cmyk(71.8%, 62.7%, 0%, 44.3%)
CIE-LAB	lab(26.59, 26.29, -50.92)
CIE-LCH	lch(26.59, 57.31, 297.31°)
OKLab	oklab(37.75% 0.0028 -0.1469)
OKLCH	oklch(37.75% 0.147 271.1)
XYZ	xyz(7.0290, 4.9496, 26.1709)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28358E #8E8128

analogous

#28688E #28358E #4E288E

triadic

#28358E #8E2835 #358E28

tetradic

#28358E #8E2868 #8E8128 #288E4E

square

#28358E #8E2868 #8E8128 #288E4E

split-complementary

#28358E #8E4E28 #688E28

monochromatic

#0D112F #1B235E #28358E #3547BE #5F6DD2

Accessibility & contrast

On white

10.55

#28358E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#28358E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28358E

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28358E	#FFFFFF	#000000	##FFFFFF
##28358E	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28358e;
/* rgb */ color: rgb(40, 53, 142);
/* oklch */ color: oklch(37.8% 0.147 271.1);

Tailwind

colors: {
  custom: {
    50: '#706cb0',
    500: '#28358e',
    950: '#000000',
  },
}

SCSS

$custom: #28358e;
$custom-light: #706cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#28358e",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 142
  },
  "hsl": {
    "h": 232.353,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37752,
    "c": 0.14697,
    "h": 271.1
  },
  "luminance": 0.0495
}

Semantic roles & 50–950 ramp

primary

#28358E

secondary

#B7AB5B

accent

#CC48DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #28358E

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

Preview Lab → · Contrast checker → · Palette generator →