#28247E#28247E

#28247E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.146 H 276.8°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#28247E
RGB	rgb(40, 36, 126)
HSL	hsl(243, 56%, 32%)
HSV	hsv(243, 71%, 49%)
CMYK	cmyk(68.3%, 71.4%, 0%, 50.6%)
CIE-LAB	lab(20.90, 31.62, -50.22)
CIE-LCH	lch(20.90, 59.34, 302.20°)
OKLab	oklab(33.14% 0.0173 -0.145)
OKLCH	oklch(33.14% 0.146 276.8)
XYZ	xyz(5.2706, 3.2188, 20.0781)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28247E #7A7E24

analogous

#244D7E #28247E #55247E

triadic

#28247E #7E2824 #247E28

tetradic

#28247E #7E244D #7A7E24 #247E55

square

#28247E #7E244D #7A7E24 #247E55

split-complementary

#28247E #7E5524 #4D7E24

monochromatic

#0A091F #19164E #28247E #3732AE #5550CD

Accessibility & contrast

On white

12.78

#28247E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28247E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28247E

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28247E	#FFFFFF	#000000	##FFFFFF
##28247E	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28247e;
/* rgb */ color: rgb(40, 36, 126);
/* oklch */ color: oklch(33.1% 0.146 276.8);

Tailwind

colors: {
  custom: {
    50: '#6e5fa4',
    500: '#28247e',
    950: '#000000',
  },
}

SCSS

$custom: #28247e;
$custom-light: #6e5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#28247e",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 126
  },
  "hsl": {
    "h": 242.667,
    "s": 55.556,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33144,
    "c": 0.146,
    "h": 276.8
  },
  "luminance": 0.03219
}

Semantic roles & 50–950 ramp

primary

#28247E

secondary

#ACB04E

accent

#DF49D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #28247E

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

Preview Lab → · Contrast checker → · Palette generator →