#28348E#28348E

#28348E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.148 H 271.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#28348E
RGB	rgb(40, 52, 142)
HSL	hsl(233, 56%, 36%)
HSV	hsv(233, 72%, 56%)
CMYK	cmyk(71.8%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(26.33, 26.96, -51.34)
CIE-LCH	lch(26.33, 57.99, 297.71°)
OKLab	oklab(37.56% 0.0036 -0.1482)
OKLCH	oklch(37.56% 0.148 271.4)
XYZ	xyz(6.9839, 4.8594, 26.1558)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28348E #8E8228

analogous

#28678E #28348E #4F288E

triadic

#28348E #8E2834 #348E28

tetradic

#28348E #8E2867 #8E8228 #288E4F

square

#28348E #8E2867 #8E8228 #288E4F

split-complementary

#28348E #8E4F28 #678E28

monochromatic

#0D112F #1B235E #28348E #3545BE #5F6CD2

Accessibility & contrast

On white

10.65

#28348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#28348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28348E

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28348E	#FFFFFF	#000000	##FFFFFF
##28348E	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28348e;
/* rgb */ color: rgb(40, 52, 142);
/* oklch */ color: oklch(37.6% 0.148 271.4);

Tailwind

colors: {
  custom: {
    50: '#716bb0',
    500: '#28348e',
    950: '#000000',
  },
}

SCSS

$custom: #28348e;
$custom-light: #716bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#28348e",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 232.941,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37559,
    "c": 0.14823,
    "h": 271.4
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#28348E

secondary

#B7AC5B

accent

#CE48DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #28348E

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

Preview Lab → · Contrast checker → · Palette generator →