#223AA5#223AA5

#223AA5 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.174 H 267.7°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#223AA5
RGB	rgb(34, 58, 165)
HSL	hsl(229, 66%, 39%)
HSV	hsv(229, 79%, 65%)
CMYK	cmyk(79.4%, 64.8%, 0%, 35.3%)
CIE-LAB	lab(29.62, 30.95, -60.02)
CIE-LCH	lch(29.62, 67.53, 297.28°)
OKLab	oklab(40.53% -0.0071 -0.1737)
OKLCH	oklch(40.53% 0.174 267.7)
XYZ	xyz(8.9619, 6.0818, 36.2916)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223AA5 #A58D22

analogous

#227CA5 #223AA5 #4C22A5

triadic

#223AA5 #A5223A #3AA522

tetradic

#223AA5 #A5227C #A58D22 #22A54C

square

#223AA5 #A5227C #A58D22 #22A54C

split-complementary

#223AA5 #A54C22 #7CA522

monochromatic

#0D1640 #182872 #223AA5 #304ED4 #6379DF

Accessibility & contrast

On white

9.47

#223AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#223AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223AA5

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223AA5	#FFFFFF	#000000	##FFFFFF
##223AA5	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223aa5;
/* rgb */ color: rgb(34, 58, 165);
/* oklch */ color: oklch(40.5% 0.174 267.7);

Tailwind

colors: {
  custom: {
    50: '#7470c1',
    500: '#223aa5',
    950: '#000000',
  },
}

SCSS

$custom: #223aa5;
$custom-light: #7470c1;
$custom-dark: #000000;

JSON

{
  "hex": "#223aa5",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 165
  },
  "hsl": {
    "h": 229.008,
    "s": 65.829,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40533,
    "c": 0.17382,
    "h": 267.7
  },
  "luminance": 0.06083
}

Semantic roles & 50–950 ramp

primary

#223AA5

secondary

#C4B15F

accent

#CA3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #223AA5

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

Preview Lab → · Contrast checker → · Palette generator →