#223591#223591

#223591 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.153 H 268.7°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#223591
RGB	rgb(34, 53, 145)
HSL	hsl(230, 62%, 35%)
HSV	hsv(230, 77%, 57%)
CMYK	cmyk(76.6%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(26.53, 26.66, -52.88)
CIE-LCH	lch(26.53, 59.22, 296.76°)
OKLab	oklab(37.7% -0.0034 -0.1528)
OKLCH	oklch(37.7% 0.153 268.7)
XYZ	xyz(7.0419, 4.9299, 27.3630)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223591 #917E22

analogous

#226C91 #223591 #472291

triadic

#223591 #912235 #359122

tetradic

#223591 #91226C #917E22 #229147

square

#223591 #91226C #917E22 #229147

split-complementary

#223591 #914722 #6C9122

monochromatic

#0B112E #16235F #223591 #2E47C3 #566CD7

Accessibility & contrast

On white

10.57

#223591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#223591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223591

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223591	#FFFFFF	#000000	##FFFFFF
##223591	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #223591;
/* rgb */ color: rgb(34, 53, 145);
/* oklch */ color: oklch(37.7% 0.153 268.7);

Tailwind

colors: {
  custom: {
    50: '#6f6cb2',
    500: '#223591',
    950: '#000000',
  },
}

SCSS

$custom: #223591;
$custom-light: #6f6cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#223591",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 229.73,
    "s": 62.011,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37704,
    "c": 0.15286,
    "h": 268.7
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary

#223591

secondary

#BBAA53

accent

#C943E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #223591

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

Preview Lab → · Contrast checker → · Palette generator →