#223EA7#223EA7

#223EA7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.172 H 266.8°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#223EA7
RGB	rgb(34, 62, 167)
HSL	hsl(227, 66%, 39%)
HSV	hsv(227, 80%, 65%)
CMYK	cmyk(79.6%, 62.9%, 0%, 34.5%)
CIE-LAB	lab(30.82, 29.05, -59.26)
CIE-LCH	lch(30.82, 66.00, 296.12°)
OKLab	oklab(41.47% -0.0095 -0.1714)
OKLCH	oklch(41.47% 0.172 266.8)
XYZ	xyz(9.3549, 6.5743, 37.3276)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223EA7 #A78B22

analogous

#2281A7 #223EA7 #4822A7

triadic

#223EA7 #A7223E #3EA722

tetradic

#223EA7 #A72281 #A78B22 #22A748

square

#223EA7 #A72281 #A78B22 #22A748

split-complementary

#223EA7 #A74822 #81A722

monochromatic

#0D1841 #182B74 #223EA7 #3154D5 #647EDF

Accessibility & contrast

On white

9.07

#223EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#223EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223EA7

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223EA7	#FFFFFF	#000000	##FFFFFF
##223EA7	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0042A5

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #223ea7;
/* rgb */ color: rgb(34, 62, 167);
/* oklch */ color: oklch(41.5% 0.172 266.8);

Tailwind

colors: {
  custom: {
    50: '#7473c2',
    500: '#223ea7',
    950: '#000000',
  },
}

SCSS

$custom: #223ea7;
$custom-light: #7473c2;
$custom-dark: #000000;

JSON

{
  "hex": "#223ea7",
  "rgb": {
    "r": 34,
    "g": 62,
    "b": 167
  },
  "hsl": {
    "h": 227.368,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41474,
    "c": 0.17167,
    "h": 266.8
  },
  "luminance": 0.06575
}

Semantic roles & 50–950 ramp

primary

#223EA7

secondary

#C5B060

accent

#C53FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #223EA7

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

Preview Lab → · Contrast checker → · Palette generator →