#223DC4#223DC4

#223DC4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.1% C 0.210 H 267.2°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#223DC4
RGB	rgb(34, 61, 196)
HSL	hsl(230, 70%, 45%)
HSV	hsv(230, 83%, 77%)
CMYK	cmyk(82.7%, 68.9%, 0%, 23.1%)
CIE-LAB	lab(33.27, 40.47, -72.43)
CIE-LCH	lch(33.27, 82.96, 299.19°)
OKLab	oklab(44.09% -0.0103 -0.2099)
OKLCH	oklch(44.09% 0.21 267.2)
XYZ	xyz(12.2888, 7.6616, 53.0450)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DC4 #C4A922

analogous

#228EC4 #223DC4 #5822C4

triadic

#223DC4 #C4223D #3DC422

tetradic

#223DC4 #C4228E #C4A922 #22C458

square

#223DC4 #C4228E #C4A922 #22C458

split-complementary

#223DC4 #C45822 #8EC422

monochromatic

#101D5C #192D90 #223DC4 #455EDF #798BE8

Accessibility & contrast

On white

8.29

#223DC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#223DC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DC4

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DC4	#FFFFFF	#000000	##FFFFFF
##223DC4	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C8

Deuteranopia (green-blind)

#0046C2

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #223dc4;
/* rgb */ color: rgb(34, 61, 196);
/* oklch */ color: oklch(44.1% 0.210 267.2);

Tailwind

colors: {
  custom: {
    50: '#7b73d7',
    500: '#223dc4',
    950: '#000000',
  },
}

SCSS

$custom: #223dc4;
$custom-light: #7b73d7;
$custom-dark: #000000;

JSON

{
  "hex": "#223dc4",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 196
  },
  "hsl": {
    "h": 230,
    "s": 70.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4409,
    "c": 0.21015,
    "h": 267.2
  },
  "luminance": 0.07663
}

Semantic roles & 50–950 ramp

primary

#223DC4

secondary

#CFC073

accent

#CF3BED

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0815

muted

#7C7B83

Preview Lab

Preview with #223DC4

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

Preview Lab → · Contrast checker → · Palette generator →