#28229C#28229C

#28229C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.187 H 273.9°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#28229C
RGB	rgb(40, 34, 156)
HSL	hsl(243, 64%, 37%)
HSV	hsv(243, 78%, 61%)
CMYK	cmyk(74.4%, 78.2%, 0%, 38.8%)
CIE-LAB	lab(23.65, 43.02, -64.36)
CIE-LCH	lch(23.65, 77.41, 303.76°)
OKLab	oklab(36.05% 0.0126 -0.1862)
OKLCH	oklch(36.05% 0.187 273.9)
XYZ	xyz(7.4459, 3.9947, 31.8247)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28229C #969C22

analogous

#22599C #28229C #65229C

triadic

#28229C #9C2822 #229C28

tetradic

#28229C #9C2259 #969C22 #229C65

square

#28229C #9C2259 #969C22 #229C65

split-complementary

#28229C #9C6522 #599C22

monochromatic

#0E0C38 #1B176A #28229C #352DCE #635DDC

Accessibility & contrast

On white

11.67

#28229C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#28229C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28229C

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28229C	#FFFFFF	#000000	##FFFFFF
##28229C	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28229c;
/* rgb */ color: rgb(40, 34, 156);
/* oklch */ color: oklch(36.0% 0.187 273.9);

Tailwind

colors: {
  custom: {
    50: '#7660ba',
    500: '#28229c',
    950: '#000000',
  },
}

SCSS

$custom: #28229c;
$custom-light: #7660ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28229c",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 156
  },
  "hsl": {
    "h": 242.951,
    "s": 64.211,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3605,
    "c": 0.18662,
    "h": 273.9
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#28229C

secondary

#BBC05A

accent

#E741DF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28229C

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

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