#223C9D#223C9D

#223C9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.161 H 267.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#223C9D
RGB	rgb(34, 60, 157)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 62%)
CMYK	cmyk(78.3%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.43, 26.55, -55.49)
CIE-LCH	lch(29.43, 61.52, 295.57°)
OKLab	oklab(40.17% -0.0082 -0.1604)
OKLCH	oklch(40.17% 0.161 267.1)
XYZ	xyz(8.3592, 6.0052, 32.6103)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C9D #9D8322

analogous

#227A9D #223C9D #45229D

triadic

#223C9D #9D223C #3C9D22

tetradic

#223C9D #9D227A #9D8322 #229D45

square

#223C9D #9D227A #9D8322 #229D45

split-complementary

#223C9D #9D4522 #7A9D22

monochromatic

#0C1638 #17296B #223C9D #2D4FCF #5D78DC

Accessibility & contrast

On white

9.54

#223C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#223C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C9D

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C9D	#FFFFFF	#000000	##FFFFFF
##223C9D	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223c9d;
/* rgb */ color: rgb(34, 60, 157);
/* oklch */ color: oklch(40.2% 0.161 267.1);

Tailwind

colors: {
  custom: {
    50: '#7171bb',
    500: '#223c9d',
    950: '#000000',
  },
}

SCSS

$custom: #223c9d;
$custom-light: #7171bb;
$custom-dark: #000000;

JSON

{
  "hex": "#223c9d",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 227.317,
    "s": 64.398,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40172,
    "c": 0.16061,
    "h": 267.1
  },
  "luminance": 0.06006
}

Semantic roles & 50–950 ramp

primary

#223C9D

secondary

#C1AB5A

accent

#C440E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223C9D

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

Preview Lab → · Contrast checker → · Palette generator →