#223D9D#223D9D

#223D9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.159 H 266.8°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#223D9D
RGB	rgb(34, 61, 157)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(78.3%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.69, 25.88, -55.06)
CIE-LCH	lch(29.69, 60.84, 295.18°)
OKLab	oklab(40.37% -0.0088 -0.1591)
OKLCH	oklch(40.37% 0.159 266.8)
XYZ	xyz(8.4121, 6.1109, 32.6279)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D9D #9D8222

analogous

#227B9D #223D9D #44229D

triadic

#223D9D #9D223D #3D9D22

tetradic

#223D9D #9D227B #9D8222 #229D44

square

#223D9D #9D227B #9D8222 #229D44

split-complementary

#223D9D #9D4422 #7B9D22

monochromatic

#0C1638 #17296B #223D9D #2D51CF #5D79DC

Accessibility & contrast

On white

9.45

#223D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#223D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D9D

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D9D	#FFFFFF	#000000	##FFFFFF
##223D9D	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223d9d;
/* rgb */ color: rgb(34, 61, 157);
/* oklch */ color: oklch(40.4% 0.159 266.8);

Tailwind

colors: {
  custom: {
    50: '#7172bb',
    500: '#223d9d',
    950: '#000000',
  },
}

SCSS

$custom: #223d9d;
$custom-light: #7172bb;
$custom-dark: #000000;

JSON

{
  "hex": "#223d9d",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 226.829,
    "s": 64.398,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4037,
    "c": 0.15937,
    "h": 266.8
  },
  "luminance": 0.06112
}

Semantic roles & 50–950 ramp

primary

#223D9D

secondary

#C1AA5A

accent

#C340E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223D9D

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

Preview Lab → · Contrast checker → · Palette generator →