#223C9C#223C9C

#223C9C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.159 H 267.1°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#223C9C
RGB	rgb(34, 60, 156)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 61%)
CMYK	cmyk(78.2%, 61.5%, 0%, 38.8%)
CIE-LAB	lab(29.34, 26.17, -55.02)
CIE-LCH	lch(29.34, 60.93, 295.43°)
OKLab	oklab(40.08% -0.0082 -0.159)
OKLCH	oklch(40.08% 0.159 267.1)
XYZ	xyz(8.2742, 5.9712, 32.1625)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C9C #9C8222

analogous

#22799C #223C9C #45229C

triadic

#223C9C #9C223C #3C9C22

tetradic

#223C9C #9C2279 #9C8222 #229C45

square

#223C9C #9C2279 #9C8222 #229C45

split-complementary

#223C9C #9C4522 #799C22

monochromatic

#0C1538 #17296A #223C9C #2D4FCE #5D78DC

Accessibility & contrast

On white

9.57

#223C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#223C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C9C

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C9C	#FFFFFF	#000000	##FFFFFF
##223C9C	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223c9c;
/* rgb */ color: rgb(34, 60, 156);
/* oklch */ color: oklch(40.1% 0.159 267.1);

Tailwind

colors: {
  custom: {
    50: '#7171ba',
    500: '#223c9c',
    950: '#000000',
  },
}

SCSS

$custom: #223c9c;
$custom-light: #7171ba;
$custom-dark: #000000;

JSON

{
  "hex": "#223c9c",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 156
  },
  "hsl": {
    "h": 227.213,
    "s": 64.211,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40082,
    "c": 0.15924,
    "h": 267.1
  },
  "luminance": 0.05972
}

Semantic roles & 50–950 ramp

primary

#223C9C

secondary

#C0AA5A

accent

#C441E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223C9C

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

Preview Lab → · Contrast checker → · Palette generator →