#223FA1#223FA1

#223FA1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.162 H 266.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#223FA1
RGB	rgb(34, 63, 161)
HSL	hsl(226, 65%, 38%)
HSV	hsv(226, 79%, 63%)
CMYK	cmyk(78.9%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(30.56, 26.08, -56.06)
CIE-LCH	lch(30.56, 61.83, 294.95°)
OKLab	oklab(41.12% -0.0101 -0.162)
OKLCH	oklch(41.12% 0.162 266.4)
XYZ	xyz(8.8680, 6.4673, 34.4922)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223FA1 #A18422

analogous

#227EA1 #223FA1 #4422A1

triadic

#223FA1 #A1223F #3FA122

tetradic

#223FA1 #A1227E #A18422 #22A144

square

#223FA1 #A1227E #A18422 #22A144

split-complementary

#223FA1 #A14422 #7EA122

monochromatic

#0D173C #172B6E #223FA1 #2D53D3 #607DDD

Accessibility & contrast

On white

9.16

#223FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#223FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223FA1

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223FA1	#FFFFFF	#000000	##FFFFFF
##223FA1	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #223fa1;
/* rgb */ color: rgb(34, 63, 161);
/* oklch */ color: oklch(41.1% 0.162 266.4);

Tailwind

colors: {
  custom: {
    50: '#7273be',
    500: '#223fa1',
    950: '#000000',
  },
}

SCSS

$custom: #223fa1;
$custom-light: #7273be;
$custom-dark: #000000;

JSON

{
  "hex": "#223fa1",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 226.299,
    "s": 65.128,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41124,
    "c": 0.16234,
    "h": 266.4
  },
  "luminance": 0.06468
}

Semantic roles & 50–950 ramp

primary

#223FA1

secondary

#C2AB5D

accent

#C240E8

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #223FA1

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

Preview Lab → · Contrast checker → · Palette generator →