#223D9E#223D9E

#223D9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.161 H 266.8°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#223D9E
RGB	rgb(34, 61, 158)
HSL	hsl(227, 65%, 38%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(78.5%, 61.4%, 0%, 38%)
CIE-LAB	lab(29.78, 26.27, -55.53)
CIE-LCH	lch(29.78, 61.43, 295.32°)
OKLab	oklab(40.46% -0.0088 -0.1605)
OKLCH	oklch(40.46% 0.161 266.8)
XYZ	xyz(8.4978, 6.1452, 33.0794)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D9E #9E8322

analogous

#227B9E #223D9E #45229E

triadic

#223D9E #9E223D #3D9E22

tetradic

#223D9E #9E227B #9E8322 #229E45

square

#223D9E #9E227B #9E8322 #229E45

split-complementary

#223D9E #9E4522 #7B9E22

monochromatic

#0C1639 #172A6C #223D9E #2D50D0 #5E7ADC

Accessibility & contrast

On white

9.42

#223D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#223D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D9E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D9E	#FFFFFF	#000000	##FFFFFF
##223D9E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223d9e;
/* rgb */ color: rgb(34, 61, 158);
/* oklch */ color: oklch(40.5% 0.161 266.8);

Tailwind

colors: {
  custom: {
    50: '#7272bb',
    500: '#223d9e',
    950: '#000000',
  },
}

SCSS

$custom: #223d9e;
$custom-light: #7272bb;
$custom-dark: #000000;

JSON

{
  "hex": "#223d9e",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 226.935,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4046,
    "c": 0.16073,
    "h": 266.8
  },
  "luminance": 0.06146
}

Semantic roles & 50–950 ramp

primary

#223D9E

secondary

#C1AB5B

accent

#C340E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223D9E

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

Preview Lab → · Contrast checker → · Palette generator →