#223C91#223C91

#223C91 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.144 H 266.6°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#223C91
RGB	rgb(34, 60, 145)
HSL	hsl(226, 62%, 35%)
HSV	hsv(226, 77%, 57%)
CMYK	cmyk(76.6%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.42, 21.89, -49.80)
CIE-LCH	lch(28.42, 54.40, 293.72°)
OKLab	oklab(39.11% -0.0085 -0.1437)
OKLCH	oklch(39.11% 0.144 266.6)
XYZ	xyz(7.3846, 5.6153, 27.4773)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C91 #917722

analogous

#227391 #223C91 #402291

triadic

#223C91 #91223C #3C9122

tetradic

#223C91 #912273 #917722 #229140

square

#223C91 #912273 #917722 #229140

split-complementary

#223C91 #914022 #739122

monochromatic

#0B132E #16275F #223C91 #2E51C3 #5674D7

Accessibility & contrast

On white

9.89

#223C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#223C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C91

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C91	#FFFFFF	#000000	##FFFFFF
##223C91	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223c91;
/* rgb */ color: rgb(34, 60, 145);
/* oklch */ color: oklch(39.1% 0.144 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e71b2',
    500: '#223c91',
    950: '#000000',
  },
}

SCSS

$custom: #223c91;
$custom-light: #6e71b2;
$custom-dark: #000000;

JSON

{
  "hex": "#223c91",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 225.946,
    "s": 62.011,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39109,
    "c": 0.14394,
    "h": 266.6
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#223C91

secondary

#BBA353

accent

#BF43E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #223C91

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

Preview Lab → · Contrast checker → · Palette generator →