#223AA8#223AA8

#223AA8 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.178 H 267.7°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#223AA8
RGB	rgb(34, 58, 168)
HSL	hsl(229, 66%, 40%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(79.8%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(29.89, 32.08, -61.37)
CIE-LCH	lch(29.89, 69.25, 297.59°)
OKLab	oklab(40.82% -0.0072 -0.1776)
OKLCH	oklch(40.82% 0.178 267.7)
XYZ	xyz(9.2382, 6.1923, 37.7465)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223AA8 #A89022

analogous

#227DA8 #223AA8 #4D22A8

triadic

#223AA8 #A8223A #3AA822

tetradic

#223AA8 #A8227D #A89022 #22A84D

square

#223AA8 #A8227D #A89022 #22A84D

split-complementary

#223AA8 #A84D22 #7DA822

monochromatic

#0D1742 #182875 #223AA8 #324FD5 #657BE0

Accessibility & contrast

On white

9.38

#223AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#223AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223AA8

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223AA8	#FFFFFF	#000000	##FFFFFF
##223AA8	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223aa8;
/* rgb */ color: rgb(34, 58, 168);
/* oklch */ color: oklch(40.8% 0.178 267.7);

Tailwind

colors: {
  custom: {
    50: '#7470c3',
    500: '#223aa8',
    950: '#000000',
  },
}

SCSS

$custom: #223aa8;
$custom-light: #7470c3;
$custom-dark: #000000;

JSON

{
  "hex": "#223aa8",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 229.254,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40819,
    "c": 0.17779,
    "h": 267.7
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary

#223AA8

secondary

#C5B361

accent

#CB3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223AA8

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

Preview Lab → · Contrast checker → · Palette generator →