#223FA0#223FA0

#223FA0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.161 H 266.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#223FA0
RGB	rgb(34, 63, 160)
HSL	hsl(226, 65%, 38%)
HSV	hsv(226, 79%, 63%)
CMYK	cmyk(78.8%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(30.48, 25.69, -55.59)
CIE-LCH	lch(30.48, 61.24, 294.80°)
OKLab	oklab(41.04% -0.0101 -0.1606)
OKLCH	oklch(41.04% 0.161 266.4)
XYZ	xyz(8.7801, 6.4322, 34.0297)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223FA0 #A08322

analogous

#227EA0 #223FA0 #4422A0

triadic

#223FA0 #A0223F #3FA022

tetradic

#223FA0 #A0227E #A08322 #22A044

square

#223FA0 #A0227E #A08322 #22A044

split-complementary

#223FA0 #A04422 #7EA022

monochromatic

#0D173B #172B6E #223FA0 #2D53D2 #5F7CDD

Accessibility & contrast

On white

9.18

#223FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#223FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223FA0

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223FA0	#FFFFFF	#000000	##FFFFFF
##223FA0	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223fa0;
/* rgb */ color: rgb(34, 63, 160);
/* oklch */ color: oklch(41.0% 0.161 266.4);

Tailwind

colors: {
  custom: {
    50: '#7273bd',
    500: '#223fa0',
    950: '#000000',
  },
}

SCSS

$custom: #223fa0;
$custom-light: #7273bd;
$custom-dark: #000000;

JSON

{
  "hex": "#223fa0",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 226.19,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.41035,
    "c": 0.16097,
    "h": 266.4
  },
  "luminance": 0.06433
}

Semantic roles & 50–950 ramp

primary

#223FA0

secondary

#C2AA5C

accent

#C140E8

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223FA0

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

Preview Lab → · Contrast checker → · Palette generator →