#223D9A#223D9A

#223D9A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.155 H 266.7°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#223D9A
RGB	rgb(34, 61, 154)
HSL	hsl(227, 64%, 37%)
HSV	hsv(227, 78%, 60%)
CMYK	cmyk(77.9%, 60.4%, 0%, 39.6%)
CIE-LAB	lab(29.44, 24.72, -53.65)
CIE-LCH	lch(29.44, 59.07, 294.74°)
OKLab	oklab(40.1% -0.0089 -0.155)
OKLCH	oklch(40.1% 0.155 266.7)
XYZ	xyz(8.1591, 6.0097, 31.2956)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D9A #9A7F22

analogous

#22799A #223D9A #43229A

triadic

#223D9A #9A223D #3D9A22

tetradic

#223D9A #9A2279 #9A7F22 #229A43

square

#223D9A #9A2279 #9A7F22 #229A43

split-complementary

#223D9A #9A4322 #799A22

monochromatic

#0C1536 #172968 #223D9A #2D51CC #5B78DB

Accessibility & contrast

On white

9.54

#223D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#223D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D9A

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D9A	#FFFFFF	#000000	##FFFFFF
##223D9A	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)

#004B9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223d9a;
/* rgb */ color: rgb(34, 61, 154);
/* oklch */ color: oklch(40.1% 0.155 266.7);

Tailwind

colors: {
  custom: {
    50: '#7172b9',
    500: '#223d9a',
    950: '#000000',
  },
}

SCSS

$custom: #223d9a;
$custom-light: #7172b9;
$custom-dark: #000000;

JSON

{
  "hex": "#223d9a",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 154
  },
  "hsl": {
    "h": 226.5,
    "s": 63.83,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40102,
    "c": 0.15524,
    "h": 266.7
  },
  "luminance": 0.06011
}

Semantic roles & 50–950 ramp

primary

#223D9A

secondary

#BFA858

accent

#C241E7

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #223D9A

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

Preview Lab → · Contrast checker → · Palette generator →