#223BBC#223BBC

#223BBC is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.0% C 0.202 H 267.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#223BBC
RGB	rgb(34, 59, 188)
HSL	hsl(230, 69%, 44%)
HSV	hsv(230, 82%, 74%)
CMYK	cmyk(81.9%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(32.03, 38.82, -69.77)
CIE-LCH	lch(32.03, 79.84, 299.09°)
OKLab	oklab(42.96% -0.0089 -0.2021)
OKLCH	oklch(42.96% 0.202 267.5)
XYZ	xyz(11.2976, 7.0975, 48.3417)
Luminance	0.0710 (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

#223BBC #BCA322

analogous

#2288BC #223BBC #5622BC

triadic

#223BBC #BC223B #3BBC22

tetradic

#223BBC #BC2288 #BCA322 #22BC56

square

#223BBC #BC2288 #BCA322 #22BC56

split-complementary

#223BBC #BC5622 #88BC22

monochromatic

#0F1A54 #192B88 #223BBC #3F58DC #7385E6

Accessibility & contrast

On white

8.68

#223BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#223BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BBC

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BBC	#FFFFFF	#000000	##FFFFFF
##223BBC	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #223bbc;
/* rgb */ color: rgb(34, 59, 188);
/* oklch */ color: oklch(43.0% 0.202 267.5);

Tailwind

colors: {
  custom: {
    50: '#7a71d1',
    500: '#223bbc',
    950: '#000000',
  },
}

SCSS

$custom: #223bbc;
$custom-light: #7a71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#223bbc",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 230.26,
    "s": 69.369,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42955,
    "c": 0.20234,
    "h": 267.5
  },
  "luminance": 0.07099
}

Semantic roles & 50–950 ramp

primary

#223BBC

secondary

#CDBD6D

accent

#D03CEC

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #223BBC

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

Preview Lab → · Contrast checker → · Palette generator →