#223F9E#223F9E

#223F9E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.158 H 266.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#223F9E
RGB	rgb(34, 63, 158)
HSL	hsl(226, 65%, 38%)
HSV	hsv(226, 78%, 62%)
CMYK	cmyk(78.5%, 60.1%, 0%, 38%)
CIE-LAB	lab(30.31, 24.92, -54.66)
CIE-LCH	lch(30.31, 60.07, 294.51°)
OKLab	oklab(40.86% -0.0102 -0.1579)
OKLCH	oklch(40.86% 0.158 266.3)
XYZ	xyz(8.6066, 6.3627, 33.1157)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F9E #9E8122

analogous

#227D9E #223F9E #43229E

triadic

#223F9E #9E223F #3F9E22

tetradic

#223F9E #9E227D #9E8122 #229E43

square

#223F9E #9E227D #9E8122 #229E43

split-complementary

#223F9E #9E4322 #7D9E22

monochromatic

#0C1739 #172B6C #223F9E #2D53D0 #5E7CDC

Accessibility & contrast

On white

9.24

#223F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#223F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F9E

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F9E	#FFFFFF	#000000	##FFFFFF
##223F9E	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223f9e;
/* rgb */ color: rgb(34, 63, 158);
/* oklch */ color: oklch(40.9% 0.158 266.3);

Tailwind

colors: {
  custom: {
    50: '#7173bb',
    500: '#223f9e',
    950: '#000000',
  },
}

SCSS

$custom: #223f9e;
$custom-light: #7173bb;
$custom-dark: #000000;

JSON

{
  "hex": "#223f9e",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 158
  },
  "hsl": {
    "h": 225.968,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40857,
    "c": 0.15823,
    "h": 266.3
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#223F9E

secondary

#C1A95B

accent

#C040E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223F9E

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

Preview Lab → · Contrast checker → · Palette generator →