#223AA7#223AA7

#223AA7 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.176 H 267.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#223AA7
RGB	rgb(34, 58, 167)
HSL	hsl(229, 66%, 39%)
HSV	hsv(229, 80%, 65%)
CMYK	cmyk(79.6%, 65.3%, 0%, 34.5%)
CIE-LAB	lab(29.80, 31.70, -60.92)
CIE-LCH	lch(29.80, 68.68, 297.49°)
OKLab	oklab(40.72% -0.0072 -0.1763)
OKLCH	oklch(40.72% 0.176 267.7)
XYZ	xyz(9.1454, 6.1552, 37.2578)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223AA7 #A78F22

analogous

#227DA7 #223AA7 #4D22A7

triadic

#223AA7 #A7223A #3AA722

tetradic

#223AA7 #A7227D #A78F22 #22A74D

square

#223AA7 #A7227D #A78F22 #22A74D

split-complementary

#223AA7 #A74D22 #7DA722

monochromatic

#0D1741 #182874 #223AA7 #314FD5 #647ADF

Accessibility & contrast

On white

9.41

#223AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#223AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223AA7

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223AA7	#FFFFFF	#000000	##FFFFFF
##223AA7	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAA

Deuteranopia (green-blind)

#0040A5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223aa7;
/* rgb */ color: rgb(34, 58, 167);
/* oklch */ color: oklch(40.7% 0.176 267.7);

Tailwind

colors: {
  custom: {
    50: '#7470c2',
    500: '#223aa7',
    950: '#000000',
  },
}

SCSS

$custom: #223aa7;
$custom-light: #7470c2;
$custom-dark: #000000;

JSON

{
  "hex": "#223aa7",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 167
  },
  "hsl": {
    "h": 229.173,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40724,
    "c": 0.17648,
    "h": 267.7
  },
  "luminance": 0.06156
}

Semantic roles & 50–950 ramp

primary

#223AA7

secondary

#C5B360

accent

#CA3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #223AA7

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

Preview Lab → · Contrast checker → · Palette generator →