#223D91#223D91

#223D91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.143 H 266.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#223D91
RGB	rgb(34, 61, 145)
HSL	hsl(225, 62%, 35%)
HSV	hsv(225, 77%, 57%)
CMYK	cmyk(76.6%, 57.9%, 0%, 43.1%)
CIE-LAB	lab(28.70, 21.20, -49.35)
CIE-LCH	lch(28.70, 53.71, 293.25°)
OKLab	oklab(39.32% -0.0092 -0.1423)
OKLCH	oklch(39.32% 0.143 266.3)
XYZ	xyz(7.4375, 5.7211, 27.4949)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D91 #917622

analogous

#227591 #223D91 #3E2291

triadic

#223D91 #91223D #3D9122

tetradic

#223D91 #912275 #917622 #22913E

square

#223D91 #912275 #917622 #22913E

split-complementary

#223D91 #913E22 #759122

monochromatic

#0B132E #16285F #223D91 #2E52C3 #5675D7

Accessibility & contrast

On white

9.79

#223D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#223D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D91

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D91	#FFFFFF	#000000	##FFFFFF
##223D91	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #223d91;
/* rgb */ color: rgb(34, 61, 145);
/* oklch */ color: oklch(39.3% 0.143 266.3);

Tailwind

colors: {
  custom: {
    50: '#6e72b2',
    500: '#223d91',
    950: '#000000',
  },
}

SCSS

$custom: #223d91;
$custom-light: #6e72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#223d91",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 145
  },
  "hsl": {
    "h": 225.405,
    "s": 62.011,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39317,
    "c": 0.14265,
    "h": 266.3
  },
  "luminance": 0.05722
}

Semantic roles & 50–950 ramp

primary

#223D91

secondary

#BBA253

accent

#BE43E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #223D91

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

Preview Lab → · Contrast checker → · Palette generator →