#28229F#28229F

#28229F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.190 H 273.6°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#28229F
RGB	rgb(40, 34, 159)
HSL	hsl(243, 65%, 38%)
HSV	hsv(243, 79%, 62%)
CMYK	cmyk(74.8%, 78.6%, 0%, 37.6%)
CIE-LAB	lab(23.99, 44.00, -65.63)
CIE-LCH	lch(23.99, 79.02, 303.84°)
OKLab	oklab(36.39% 0.0119 -0.1899)
OKLCH	oklch(36.39% 0.19 273.6)
XYZ	xyz(7.7030, 4.0976, 33.1791)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28229F #999F22

analogous

#225A9F #28229F #66229F

triadic

#28229F #9F2822 #229F28

tetradic

#28229F #9F225A #999F22 #229F66

square

#28229F #9F225A #999F22 #229F66

split-complementary

#28229F #9F6622 #5A9F22

monochromatic

#0F0C3A #1B176D #28229F #352DD1 #655FDD

Accessibility & contrast

On white

11.54

#28229F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#28229F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28229F

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28229F	#FFFFFF	#000000	##FFFFFF
##28229F	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28229f;
/* rgb */ color: rgb(40, 34, 159);
/* oklch */ color: oklch(36.4% 0.190 273.6);

Tailwind

colors: {
  custom: {
    50: '#7660bd',
    500: '#28229f',
    950: '#000000',
  },
}

SCSS

$custom: #28229f;
$custom-light: #7660bd;
$custom-dark: #000000;

JSON

{
  "hex": "#28229f",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 159
  },
  "hsl": {
    "h": 242.88,
    "s": 64.767,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36386,
    "c": 0.19026,
    "h": 273.6
  },
  "luminance": 0.04098
}

Semantic roles & 50–950 ramp

primary

#28229F

secondary

#BDC15B

accent

#E840E0

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28229F

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

Preview Lab → · Contrast checker → · Palette generator →