#223D9C#223D9C

#223D9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.158 H 266.8°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#223D9C
RGB	rgb(34, 61, 156)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 61%)
CMYK	cmyk(78.2%, 60.9%, 0%, 38.8%)
CIE-LAB	lab(29.61, 25.49, -54.59)
CIE-LCH	lch(29.61, 60.25, 295.03°)
OKLab	oklab(40.28% -0.0089 -0.1577)
OKLCH	oklch(40.28% 0.158 266.8)
XYZ	xyz(8.3271, 6.0769, 32.1801)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D9C #9C8122

analogous

#227A9C #223D9C #44229C

triadic

#223D9C #9C223D #3D9C22

tetradic

#223D9C #9C227A #9C8122 #229C44

square

#223D9C #9C227A #9C8122 #229C44

split-complementary

#223D9C #9C4422 #7A9C22

monochromatic

#0C1638 #17296A #223D9C #2D51CE #5D79DC

Accessibility & contrast

On white

9.48

#223D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#223D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D9C

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D9C	#FFFFFF	#000000	##FFFFFF
##223D9C	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223d9c;
/* rgb */ color: rgb(34, 61, 156);
/* oklch */ color: oklch(40.3% 0.158 266.8);

Tailwind

colors: {
  custom: {
    50: '#7172ba',
    500: '#223d9c',
    950: '#000000',
  },
}

SCSS

$custom: #223d9c;
$custom-light: #7172ba;
$custom-dark: #000000;

JSON

{
  "hex": "#223d9c",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 156
  },
  "hsl": {
    "h": 226.721,
    "s": 64.211,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4028,
    "c": 0.15799,
    "h": 266.8
  },
  "luminance": 0.06078
}

Semantic roles & 50–950 ramp

primary

#223D9C

secondary

#C0A95A

accent

#C241E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223D9C

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

Preview Lab → · Contrast checker → · Palette generator →