#223571#223571

#223571 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.106 H 267.4°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#223571
RGB	rgb(34, 53, 113)
HSL	hsl(226, 54%, 29%)
HSV	hsv(226, 70%, 44%)
CMYK	cmyk(69.9%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(23.93, 14.14, -37.02)
CIE-LCH	lch(23.93, 39.63, 290.91°)
OKLab	oklab(34.94% -0.0047 -0.1062)
OKLCH	oklch(34.94% 0.106 267.4)
XYZ	xyz(4.9124, 4.0781, 16.1478)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223571 #715E22

analogous

#225D71 #223571 #372271

triadic

#223571 #712235 #357122

tetradic

#223571 #71225D #715E22 #227137

square

#223571 #71225D #715E22 #227137

split-complementary

#223571 #713722 #5D7122

monochromatic

#070B18 #141F42 #223571 #304BA0 #4665C7

Accessibility & contrast

On white

11.57

#223571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#223571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223571

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223571	#FFFFFF	#000000	##FFFFFF
##223571	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123D73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #223571;
/* rgb */ color: rgb(34, 53, 113);
/* oklch */ color: oklch(34.9% 0.106 267.4);

Tailwind

colors: {
  custom: {
    50: '#676b9a',
    500: '#223571',
    950: '#000000',
  },
}

SCSS

$custom: #223571;
$custom-light: #676b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#223571",
  "rgb": {
    "r": 34,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 225.57,
    "s": 53.741,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34935,
    "c": 0.10633,
    "h": 267.4
  },
  "luminance": 0.04079
}

Semantic roles & 50–950 ramp

primary

#223571

secondary

#A48F4A

accent

#BA4BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #223571

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

Preview Lab → · Contrast checker → · Palette generator →