#222F8C#222F8C

#222F8C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.153 H 270.3°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#222F8C
RGB	rgb(34, 47, 140)
HSL	hsl(233, 61%, 34%)
HSV	hsv(233, 76%, 55%)
CMYK	cmyk(75.7%, 66.4%, 0%, 45.1%)
CIE-LAB	lab(24.53, 28.80, -53.06)
CIE-LCH	lch(24.53, 60.37, 298.49°)
OKLab	oklab(36.09% 0.0009 -0.1534)
OKLCH	oklch(36.09% 0.153 270.3)
XYZ	xyz(6.4082, 4.2659, 25.2915)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#222F8C #8C7F22

analogous

#22648C #222F8C #4A228C

triadic

#222F8C #8C222F #2F8C22

tetradic

#222F8C #8C2264 #8C7F22 #228C4A

square

#222F8C #8C2264 #8C7F22 #228C4A

split-complementary

#222F8C #8C4A22 #648C22

monochromatic

#0A0E2A #161E5B #222F8C #2E40BD #5363D5

Accessibility & contrast

On white

11.33

#222F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#222F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #222F8C

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##222F8C	#FFFFFF	#000000	##FFFFFF
##222F8C	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8F

Deuteranopia (green-blind)

#00358A

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #222f8c;
/* rgb */ color: rgb(34, 47, 140);
/* oklch */ color: oklch(36.1% 0.153 270.3);

Tailwind

colors: {
  custom: {
    50: '#6e67af',
    500: '#222f8c',
    950: '#000000',
  },
}

SCSS

$custom: #222f8c;
$custom-light: #6e67af;
$custom-dark: #000000;

JSON

{
  "hex": "#222f8c",
  "rgb": {
    "r": 34,
    "g": 47,
    "b": 140
  },
  "hsl": {
    "h": 232.642,
    "s": 60.92,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3609,
    "c": 0.15341,
    "h": 270.3
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#222F8C

secondary

#B9AC51

accent

#D044E4

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #222F8C

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

Preview Lab → · Contrast checker → · Palette generator →