#223FAE#223FAE

#223FAE is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.180 H 266.8°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#223FAE
RGB	rgb(34, 63, 174)
HSL	hsl(228, 67%, 41%)
HSV	hsv(228, 80%, 68%)
CMYK	cmyk(80.5%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(31.69, 31.06, -62.01)
CIE-LCH	lch(31.69, 69.36, 296.60°)
OKLab	oklab(42.31% -0.0102 -0.1795)
OKLCH	oklch(42.31% 0.18 266.8)
XYZ	xyz(10.0745, 6.9499, 40.8467)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223FAE #AE9122

analogous

#2285AE #223FAE #4B22AE

triadic

#223FAE #AE223F #3FAE22

tetradic

#223FAE #AE2285 #AE9122 #22AE4B

square

#223FAE #AE2285 #AE9122 #22AE4B

split-complementary

#223FAE #AE4B22 #85AE22

monochromatic

#0E1A48 #182C7B #223FAE #3657D8 #6982E2

Accessibility & contrast

On white

8.79

#223FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#223FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223FAE

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223FAE	#FFFFFF	#000000	##FFFFFF
##223FAE	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #223fae;
/* rgb */ color: rgb(34, 63, 174);
/* oklch */ color: oklch(42.3% 0.180 266.8);

Tailwind

colors: {
  custom: {
    50: '#7673c7',
    500: '#223fae',
    950: '#000000',
  },
}

SCSS

$custom: #223fae;
$custom-light: #7673c7;
$custom-dark: #000000;

JSON

{
  "hex": "#223fae",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 227.571,
    "s": 67.308,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42312,
    "c": 0.17977,
    "h": 266.8
  },
  "luminance": 0.06951
}

Semantic roles & 50–950 ramp

primary

#223FAE

secondary

#C7B364

accent

#C63EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #223FAE

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

Preview Lab → · Contrast checker → · Palette generator →