#223AA9#223AA9

#223AA9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.179 H 267.7°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#223AA9
RGB	rgb(34, 58, 169)
HSL	hsl(229, 67%, 40%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(79.9%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(29.98, 32.45, -61.82)
CIE-LCH	lch(29.98, 69.82, 297.70°)
OKLab	oklab(40.92% -0.0072 -0.179)
OKLCH	oklch(40.92% 0.179 267.7)
XYZ	xyz(9.3317, 6.2297, 38.2391)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223AA9 #A99122

analogous

#227EA9 #223AA9 #4D22A9

triadic

#223AA9 #A9223A #3AA922

tetradic

#223AA9 #A9227E #A99122 #22A94D

square

#223AA9 #A9227E #A99122 #22A94D

split-complementary

#223AA9 #A94D22 #7EA922

monochromatic

#0D1743 #182976 #223AA9 #324FD6 #657BE0

Accessibility & contrast

On white

9.35

#223AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#223AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223AA9

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223AA9	#FFFFFF	#000000	##FFFFFF
##223AA9	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223aa9;
/* rgb */ color: rgb(34, 58, 169);
/* oklch */ color: oklch(40.9% 0.179 267.7);

Tailwind

colors: {
  custom: {
    50: '#7570c4',
    500: '#223aa9',
    950: '#000000',
  },
}

SCSS

$custom: #223aa9;
$custom-light: #7570c4;
$custom-dark: #000000;

JSON

{
  "hex": "#223aa9",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 229.333,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40915,
    "c": 0.17911,
    "h": 267.7
  },
  "luminance": 0.06231
}

Semantic roles & 50–950 ramp

primary

#223AA9

secondary

#C5B461

accent

#CB3EE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223AA9

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

Preview Lab → · Contrast checker → · Palette generator →