#223DA7#223DA7

#223DA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.173 H 267.1°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#223DA7
RGB	rgb(34, 61, 167)
HSL	hsl(228, 66%, 39%)
HSV	hsv(228, 80%, 65%)
CMYK	cmyk(79.6%, 63.5%, 0%, 34.5%)
CIE-LAB	lab(30.56, 29.72, -59.68)
CIE-LCH	lch(30.56, 66.67, 296.47°)
OKLab	oklab(41.28% -0.0089 -0.1726)
OKLCH	oklch(41.28% 0.173 267.1)
XYZ	xyz(9.3010, 6.4665, 37.3097)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DA7 #A78C22

analogous

#227FA7 #223DA7 #4A22A7

triadic

#223DA7 #A7223D #3DA722

tetradic

#223DA7 #A7227F #A78C22 #22A74A

square

#223DA7 #A7227F #A78C22 #22A74A

split-complementary

#223DA7 #A74A22 #7FA722

monochromatic

#0D1841 #182A74 #223DA7 #3152D5 #647DDF

Accessibility & contrast

On white

9.16

#223DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#223DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DA7

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DA7	#FFFFFF	#000000	##FFFFFF
##223DA7	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0042A5

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223da7;
/* rgb */ color: rgb(34, 61, 167);
/* oklch */ color: oklch(41.3% 0.173 267.1);

Tailwind

colors: {
  custom: {
    50: '#7472c2',
    500: '#223da7',
    950: '#000000',
  },
}

SCSS

$custom: #223da7;
$custom-light: #7472c2;
$custom-dark: #000000;

JSON

{
  "hex": "#223da7",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 167
  },
  "hsl": {
    "h": 227.82,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41284,
    "c": 0.17288,
    "h": 267.1
  },
  "luminance": 0.06468
}

Semantic roles & 50–950 ramp

primary

#223DA7

secondary

#C5B060

accent

#C73FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #223DA7

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

Preview Lab → · Contrast checker → · Palette generator →