#223CA7#223CA7

#223CA7 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.174 H 267.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#223CA7
RGB	rgb(34, 60, 167)
HSL	hsl(228, 66%, 39%)
HSV	hsv(228, 80%, 65%)
CMYK	cmyk(79.6%, 64.1%, 0%, 34.5%)
CIE-LAB	lab(30.31, 30.38, -60.10)
CIE-LCH	lch(30.31, 67.34, 296.82°)
OKLab	oklab(41.1% -0.0083 -0.1739)
OKLCH	oklch(41.1% 0.174 267.3)
XYZ	xyz(9.2482, 6.3608, 37.2921)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223CA7 #A78D22

analogous

#227EA7 #223CA7 #4B22A7

triadic

#223CA7 #A7223C #3CA722

tetradic

#223CA7 #A7227E #A78D22 #22A74B

square

#223CA7 #A7227E #A78D22 #22A74B

split-complementary

#223CA7 #A74B22 #7EA722

monochromatic

#0D1741 #182A74 #223CA7 #3151D5 #647CDF

Accessibility & contrast

On white

9.24

#223CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#223CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223CA7

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223CA7	#FFFFFF	#000000	##FFFFFF
##223CA7	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)

#004EAA

Deuteranopia (green-blind)

#0041A5

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223ca7;
/* rgb */ color: rgb(34, 60, 167);
/* oklch */ color: oklch(41.1% 0.174 267.3);

Tailwind

colors: {
  custom: {
    50: '#7471c2',
    500: '#223ca7',
    950: '#000000',
  },
}

SCSS

$custom: #223ca7;
$custom-light: #7471c2;
$custom-dark: #000000;

JSON

{
  "hex": "#223ca7",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 167
  },
  "hsl": {
    "h": 228.271,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41095,
    "c": 0.17409,
    "h": 267.3
  },
  "luminance": 0.06362
}

Semantic roles & 50–950 ramp

primary

#223CA7

secondary

#C5B160

accent

#C83FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #223CA7

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

Preview Lab → · Contrast checker → · Palette generator →