#223A9C#223A9C

#223A9C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.162 H 267.6°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#223A9C
RGB	rgb(34, 58, 156)
HSL	hsl(228, 64%, 37%)
HSV	hsv(228, 78%, 61%)
CMYK	cmyk(78.2%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(28.81, 27.52, -55.89)
CIE-LCH	lch(28.81, 62.29, 296.21°)
OKLab	oklab(39.69% -0.0069 -0.1616)
OKLCH	oklch(39.69% 0.162 267.6)
XYZ	xyz(8.1714, 5.7656, 32.1283)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A9C #9C8422

analogous

#22779C #223A9C #47229C

triadic

#223A9C #9C223A #3A9C22

tetradic

#223A9C #9C2277 #9C8422 #229C47

square

#223A9C #9C2277 #9C8422 #229C47

split-complementary

#223A9C #9C4722 #779C22

monochromatic

#0C1538 #17276A #223A9C #2D4DCE #5D76DC

Accessibility & contrast

On white

9.75

#223A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#223A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A9C

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A9C	#FFFFFF	#000000	##FFFFFF
##223A9C	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223a9c;
/* rgb */ color: rgb(34, 58, 156);
/* oklch */ color: oklch(39.7% 0.162 267.6);

Tailwind

colors: {
  custom: {
    50: '#7170ba',
    500: '#223a9c',
    950: '#000000',
  },
}

SCSS

$custom: #223a9c;
$custom-light: #7170ba;
$custom-dark: #000000;

JSON

{
  "hex": "#223a9c",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 228.197,
    "s": 64.211,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39691,
    "c": 0.16173,
    "h": 267.6
  },
  "luminance": 0.05766
}

Semantic roles & 50–950 ramp

primary

#223A9C

secondary

#C0AC5A

accent

#C641E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223A9C

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

Preview Lab → · Contrast checker → · Palette generator →