#28286E#28286E

#28286E is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.3% C 0.118 H 277.5°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#28286E
RGB	rgb(40, 40, 110)
HSL	hsl(240, 47%, 29%)
HSV	hsv(240, 64%, 43%)
CMYK	cmyk(63.6%, 63.6%, 0%, 56.9%)
CIE-LAB	lab(20.42, 23.20, -40.76)
CIE-LCH	lch(20.42, 46.90, 299.65°)
OKLab	oklab(32.34% 0.0154 -0.1172)
OKLCH	oklch(32.34% 0.118 277.5)
XYZ	xyz(4.4474, 3.0942, 15.1117)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28286E #6E6E28

analogous

#284B6E #28286E #4B286E

triadic

#28286E #6E2828 #286E28

tetradic

#28286E #6E284B #6E6E28 #286E4B

square

#28286E #6E284B #6E6E28 #286E4B

split-complementary

#28286E #6E4B28 #4B6E28

monochromatic

#080816 #181841 #28286E #38389B #5151C0

Accessibility & contrast

On white

12.97

#28286E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#28286E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28286E

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28286E	#FFFFFF	#000000	##FFFFFF
##28286E	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003470

Deuteranopia (green-blind)

#002E6D

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #28286e;
/* rgb */ color: rgb(40, 40, 110);
/* oklch */ color: oklch(32.3% 0.118 277.5);

Tailwind

colors: {
  custom: {
    50: '#6a6298',
    500: '#28286e',
    950: '#000000',
  },
}

SCSS

$custom: #28286e;
$custom-light: #6a6298;
$custom-dark: #000000;

JSON

{
  "hex": "#28286e",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 110
  },
  "hsl": {
    "h": 240,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32338,
    "c": 0.11823,
    "h": 277.5
  },
  "luminance": 0.03094
}

Semantic roles & 50–950 ramp

primary

#28286E

secondary

#A0A051

accent

#D651D6

background

#F6F5F9

surface

#ECEAF2

border

#C7C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #28286E

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

Preview Lab → · Contrast checker → · Palette generator →