#223B91#223B91

#223B91 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.145 H 267.0°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#223B91
RGB	rgb(34, 59, 145)
HSL	hsl(226, 62%, 35%)
HSV	hsv(226, 77%, 57%)
CMYK	cmyk(76.6%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.14, 22.57, -50.25)
CIE-LCH	lch(28.14, 55.09, 294.19°)
OKLab	oklab(38.9% -0.0077 -0.145)
OKLCH	oklch(38.9% 0.145 267)
XYZ	xyz(7.3327, 5.5115, 27.4600)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B91 #917822

analogous

#227391 #223B91 #402291

triadic

#223B91 #91223B #3B9122

tetradic

#223B91 #912273 #917822 #229140

square

#223B91 #912273 #917822 #229140

split-complementary

#223B91 #914022 #739122

monochromatic

#0B132E #16275F #223B91 #2E4FC3 #5673D7

Accessibility & contrast

On white

9.99

#223B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#223B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B91

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B91	#FFFFFF	#000000	##FFFFFF
##223B91	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223b91;
/* rgb */ color: rgb(34, 59, 145);
/* oklch */ color: oklch(38.9% 0.145 267.0);

Tailwind

colors: {
  custom: {
    50: '#6e70b2',
    500: '#223b91',
    950: '#000000',
  },
}

SCSS

$custom: #223b91;
$custom-light: #6e70b2;
$custom-dark: #000000;

JSON

{
  "hex": "#223b91",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 226.486,
    "s": 62.011,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38903,
    "c": 0.14522,
    "h": 267
  },
  "luminance": 0.05512
}

Semantic roles & 50–950 ramp

primary

#223B91

secondary

#BBA453

accent

#C143E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #223B91

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

Preview Lab → · Contrast checker → · Palette generator →