#222F9B#222F9B

#222F9B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.173 H 269.9°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#222F9B
RGB	rgb(34, 47, 155)
HSL	hsl(234, 64%, 37%)
HSV	hsv(234, 78%, 61%)
CMYK	cmyk(78.1%, 69.7%, 0%, 39.2%)
CIE-LAB	lab(25.98, 34.38, -59.93)
CIE-LCH	lch(25.98, 69.09, 299.84°)
OKLab	oklab(37.58% -0.0004 -0.1735)
OKLCH	oklch(37.58% 0.173 269.9)
XYZ	xyz(7.5906, 4.7388, 31.5186)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#222F9B #9B8E22

analogous

#226B9B #222F9B #52229B

triadic

#222F9B #9B222F #2F9B22

tetradic

#222F9B #9B226B #9B8E22 #229B52

square

#222F9B #9B226B #9B8E22 #229B52

split-complementary

#222F9B #9B5222 #6B9B22

monochromatic

#0C1137 #172069 #222F9B #2D3ECD #5C6ADB

Accessibility & contrast

On white

10.78

#222F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#222F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #222F9B

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##222F9B	#FFFFFF	#000000	##FFFFFF
##222F9B	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #222f9b;
/* rgb */ color: rgb(34, 47, 155);
/* oklch */ color: oklch(37.6% 0.173 269.9);

Tailwind

colors: {
  custom: {
    50: '#7268ba',
    500: '#222f9b',
    950: '#000000',
  },
}

SCSS

$custom: #222f9b;
$custom-light: #7268ba;
$custom-dark: #000000;

JSON

{
  "hex": "#222f9b",
  "rgb": {
    "r": 34,
    "g": 47,
    "b": 155
  },
  "hsl": {
    "h": 233.554,
    "s": 64.021,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37584,
    "c": 0.17348,
    "h": 269.9
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#222F9B

secondary

#C0B559

accent

#D541E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #222F9B

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

Preview Lab → · Contrast checker → · Palette generator →