#223A9F#223A9F

#223A9F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.166 H 267.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#223A9F
RGB	rgb(34, 58, 159)
HSL	hsl(228, 65%, 38%)
HSV	hsv(228, 79%, 62%)
CMYK	cmyk(78.6%, 63.5%, 0%, 37.6%)
CIE-LAB	lab(29.08, 28.67, -57.27)
CIE-LCH	lch(29.08, 64.05, 296.59°)
OKLab	oklab(39.97% -0.0069 -0.1656)
OKLCH	oklch(39.97% 0.166 267.6)
XYZ	xyz(8.4286, 5.8684, 33.4827)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A9F #9F8722

analogous

#22789F #223A9F #48229F

triadic

#223A9F #9F223A #3A9F22

tetradic

#223A9F #9F2278 #9F8722 #229F48

square

#223A9F #9F2278 #9F8722 #229F48

split-complementary

#223A9F #9F4822 #789F22

monochromatic

#0C153A #17286D #223A9F #2D4CD1 #5F77DD

Accessibility & contrast

On white

9.66

#223A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#223A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A9F

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A9F	#FFFFFF	#000000	##FFFFFF
##223A9F	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223a9f;
/* rgb */ color: rgb(34, 58, 159);
/* oklch */ color: oklch(40.0% 0.166 267.6);

Tailwind

colors: {
  custom: {
    50: '#7270bc',
    500: '#223a9f',
    950: '#000000',
  },
}

SCSS

$custom: #223a9f;
$custom-light: #7270bc;
$custom-dark: #000000;

JSON

{
  "hex": "#223a9f",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 159
  },
  "hsl": {
    "h": 228.48,
    "s": 64.767,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39969,
    "c": 0.16579,
    "h": 267.6
  },
  "luminance": 0.05869
}

Semantic roles & 50–950 ramp

primary

#223A9F

secondary

#C1AE5B

accent

#C840E8

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223A9F

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

Preview Lab → · Contrast checker → · Palette generator →