#28278E#28278E

#28278E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.164 H 274.5°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#28278E
RGB	rgb(40, 39, 142)
HSL	hsl(241, 57%, 35%)
HSV	hsv(241, 73%, 56%)
CMYK	cmyk(71.8%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(23.18, 35.38, -56.50)
CIE-LCH	lch(23.18, 66.66, 302.05°)
OKLab	oklab(35.27% 0.0127 -0.1633)
OKLCH	oklch(35.27% 0.164 274.5)
XYZ	xyz(6.4815, 3.8545, 25.9884)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28278E #8D8E27

analogous

#27598E #28278E #5C278E

triadic

#28278E #8E2827 #278E28

tetradic

#28278E #8E2759 #8D8E27 #278E5C

square

#28278E #8E2759 #8D8E27 #278E5C

split-complementary

#28278E #8E5C27 #598E27

monochromatic

#0D0D2E #1A1A5E #28278E #3634BE #5E5DD2

Accessibility & contrast

On white

11.86

#28278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#28278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28278E

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28278E	#FFFFFF	#000000	##FFFFFF
##28278E	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #28278e;
/* rgb */ color: rgb(40, 39, 142);
/* oklch */ color: oklch(35.3% 0.164 274.5);

Tailwind

colors: {
  custom: {
    50: '#7262b0',
    500: '#28278e',
    950: '#000000',
  },
}

SCSS

$custom: #28278e;
$custom-light: #7262b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28278e",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 240.583,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35271,
    "c": 0.16384,
    "h": 274.5
  },
  "luminance": 0.03855
}

Semantic roles & 50–950 ramp

primary

#28278E

secondary

#B7B859

accent

#E048DF

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #28278E

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

Preview Lab → · Contrast checker → · Palette generator →