#223A9E#223A9E

#223A9E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.164 H 267.6°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#223A9E
RGB	rgb(34, 58, 158)
HSL	hsl(228, 65%, 38%)
HSV	hsv(228, 78%, 62%)
CMYK	cmyk(78.5%, 63.3%, 0%, 38%)
CIE-LAB	lab(28.99, 28.28, -56.81)
CIE-LCH	lch(28.99, 63.46, 296.47°)
OKLab	oklab(39.88% -0.0069 -0.1643)
OKLCH	oklch(39.88% 0.164 267.6)
XYZ	xyz(8.3422, 5.8339, 33.0275)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A9E #9E8622

analogous

#22789E #223A9E #48229E

triadic

#223A9E #9E223A #3A9E22

tetradic

#223A9E #9E2278 #9E8622 #229E48

square

#223A9E #9E2278 #9E8622 #229E48

split-complementary

#223A9E #9E4822 #789E22

monochromatic

#0C1539 #17286C #223A9E #2D4CD0 #5E76DC

Accessibility & contrast

On white

9.69

#223A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#223A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A9E

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A9E	#FFFFFF	#000000	##FFFFFF
##223A9E	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223a9e;
/* rgb */ color: rgb(34, 58, 158);
/* oklch */ color: oklch(39.9% 0.164 267.6);

Tailwind

colors: {
  custom: {
    50: '#7270bc',
    500: '#223a9e',
    950: '#000000',
  },
}

SCSS

$custom: #223a9e;
$custom-light: #7270bc;
$custom-dark: #000000;

JSON

{
  "hex": "#223a9e",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 158
  },
  "hsl": {
    "h": 228.387,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39876,
    "c": 0.16444,
    "h": 267.6
  },
  "luminance": 0.05835
}

Semantic roles & 50–950 ramp

primary

#223A9E

secondary

#C1AD5B

accent

#C740E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223A9E

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

Preview Lab → · Contrast checker → · Palette generator →