#223C9A#223C9A

#223C9A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.157 H 267.0°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#223C9A
RGB	rgb(34, 60, 154)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 60%)
CMYK	cmyk(77.9%, 61%, 0%, 39.6%)
CIE-LAB	lab(29.17, 25.39, -54.09)
CIE-LCH	lch(29.17, 59.75, 295.15°)
OKLab	oklab(39.9% -0.0082 -0.1563)
OKLCH	oklch(39.9% 0.157 267)
XYZ	xyz(8.1062, 5.9040, 31.2779)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C9A #9A8022

analogous

#22789A #223C9A #44229A

triadic

#223C9A #9A223C #3C9A22

tetradic

#223C9A #9A2278 #9A8022 #229A44

square

#223C9A #9A2278 #9A8022 #229A44

split-complementary

#223C9A #9A4422 #789A22

monochromatic

#0C1536 #172868 #223C9A #2D50CC #5B77DB

Accessibility & contrast

On white

9.63

#223C9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#223C9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C9A

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C9A	#FFFFFF	#000000	##FFFFFF
##223C9A	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223c9a;
/* rgb */ color: rgb(34, 60, 154);
/* oklch */ color: oklch(39.9% 0.157 267.0);

Tailwind

colors: {
  custom: {
    50: '#7171b9',
    500: '#223c9a',
    950: '#000000',
  },
}

SCSS

$custom: #223c9a;
$custom-light: #7171b9;
$custom-dark: #000000;

JSON

{
  "hex": "#223c9a",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 154
  },
  "hsl": {
    "h": 227,
    "s": 63.83,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39902,
    "c": 0.1565,
    "h": 267
  },
  "luminance": 0.05905
}

Semantic roles & 50–950 ramp

primary

#223C9A

secondary

#BFA958

accent

#C341E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223C9A

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

Preview Lab → · Contrast checker → · Palette generator →