#223CA1#223CA1

#223CA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.166 H 267.2°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#223CA1
RGB	rgb(34, 60, 161)
HSL	hsl(228, 65%, 38%)
HSV	hsv(228, 79%, 63%)
CMYK	cmyk(78.9%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(29.77, 28.09, -57.35)
CIE-LCH	lch(29.77, 63.86, 296.10°)
OKLab	oklab(40.54% -0.0082 -0.1658)
OKLCH	oklch(40.54% 0.166 267.2)
XYZ	xyz(8.7063, 6.1440, 34.4384)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223CA1 #A18722

analogous

#227BA1 #223CA1 #4822A1

triadic

#223CA1 #A1223C #3CA122

tetradic

#223CA1 #A1227B #A18722 #22A148

square

#223CA1 #A1227B #A18722 #22A148

split-complementary

#223CA1 #A14822 #7BA122

monochromatic

#0D163C #17296E #223CA1 #2D4FD3 #607ADD

Accessibility & contrast

On white

9.42

#223CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#223CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223CA1

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223CA1	#FFFFFF	#000000	##FFFFFF
##223CA1	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223ca1;
/* rgb */ color: rgb(34, 60, 161);
/* oklch */ color: oklch(40.5% 0.166 267.2);

Tailwind

colors: {
  custom: {
    50: '#7271be',
    500: '#223ca1',
    950: '#000000',
  },
}

SCSS

$custom: #223ca1;
$custom-light: #7271be;
$custom-dark: #000000;

JSON

{
  "hex": "#223ca1",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 227.717,
    "s": 65.128,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40538,
    "c": 0.16604,
    "h": 267.2
  },
  "luminance": 0.06145
}

Semantic roles & 50–950 ramp

primary

#223CA1

secondary

#C2AD5D

accent

#C640E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223CA1

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

Preview Lab → · Contrast checker → · Palette generator →