#22309B#22309B

#22309B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.172 H 269.7°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#22309B
RGB	rgb(34, 48, 155)
HSL	hsl(233, 64%, 37%)
HSV	hsv(233, 78%, 61%)
CMYK	cmyk(78.1%, 69%, 0%, 39.2%)
CIE-LAB	lab(26.21, 33.74, -59.54)
CIE-LCH	lch(26.21, 68.43, 299.54°)
OKLab	oklab(37.76% -0.0009 -0.1723)
OKLCH	oklch(37.76% 0.172 269.7)
XYZ	xyz(7.6310, 4.8197, 31.5321)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22309B #9B8D22

analogous

#226D9B #22309B #51229B

triadic

#22309B #9B2230 #309B22

tetradic

#22309B #9B226D #9B8D22 #229B51

square

#22309B #9B226D #9B8D22 #229B51

split-complementary

#22309B #9B5122 #6D9B22

monochromatic

#0C1137 #172069 #22309B #2D40CD #5C6BDB

Accessibility & contrast

On white

10.69

#22309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#22309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22309B

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22309B	#FFFFFF	#000000	##FFFFFF
##22309B	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #22309b;
/* rgb */ color: rgb(34, 48, 155);
/* oklch */ color: oklch(37.8% 0.172 269.7);

Tailwind

colors: {
  custom: {
    50: '#7268ba',
    500: '#22309b',
    950: '#000000',
  },
}

SCSS

$custom: #22309b;
$custom-light: #7268ba;
$custom-dark: #000000;

JSON

{
  "hex": "#22309b",
  "rgb": {
    "r": 34,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 233.058,
    "s": 64.021,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37756,
    "c": 0.17234,
    "h": 269.7
  },
  "luminance": 0.04821
}

Semantic roles & 50–950 ramp

primary

#22309B

secondary

#C0B459

accent

#D441E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #22309B

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

Preview Lab → · Contrast checker → · Palette generator →