#223580#223580

#223580 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.129 H 268.4°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#223580
RGB	rgb(34, 53, 128)
HSL	hsl(228, 58%, 32%)
HSV	hsv(228, 73%, 50%)
CMYK	cmyk(73.4%, 58.6%, 0%, 49.8%)
CIE-LAB	lab(25.09, 20.06, -44.65)
CIE-LCH	lch(25.09, 48.95, 294.19°)
OKLab	oklab(36.18% -0.0036 -0.1287)
OKLCH	oklch(36.18% 0.129 268.4)
XYZ	xyz(5.8277, 4.4442, 20.9686)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223580 #806D22

analogous

#226480 #223580 #3E2280

triadic

#223580 #802235 #358022

tetradic

#223580 #802264 #806D22 #22803E

square

#223580 #802264 #806D22 #22803E

split-complementary

#223580 #803E22 #648022

monochromatic

#080D1F #152150 #223580 #2F49B0 #4D67D0

Accessibility & contrast

On white

11.12

#223580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#223580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223580

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223580	#FFFFFF	#000000	##FFFFFF
##223580	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #223580;
/* rgb */ color: rgb(34, 53, 128);
/* oklch */ color: oklch(36.2% 0.129 268.4);

Tailwind

colors: {
  custom: {
    50: '#6b6ba5',
    500: '#223580',
    950: '#000000',
  },
}

SCSS

$custom: #223580;
$custom-light: #6b6ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#223580",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 128
  },
  "hsl": {
    "h": 227.872,
    "s": 58.025,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36178,
    "c": 0.12872,
    "h": 268.4
  },
  "luminance": 0.04445
}

Semantic roles & 50–950 ramp

primary

#223580

secondary

#B29E4B

accent

#C247E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #223580

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

Preview Lab → · Contrast checker → · Palette generator →