#223783#223783

#223783 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.130 H 267.8°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#223783
RGB	rgb(34, 55, 131)
HSL	hsl(227, 59%, 32%)
HSV	hsv(227, 74%, 51%)
CMYK	cmyk(74%, 58%, 0%, 48.6%)
CIE-LAB	lab(25.89, 19.84, -45.23)
CIE-LCH	lch(25.89, 49.39, 293.69°)
OKLab	oklab(36.86% -0.0051 -0.1303)
OKLCH	oklch(36.86% 0.13 267.8)
XYZ	xyz(6.1212, 4.7105, 22.0550)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223783 #836E22

analogous

#226883 #223783 #3D2283

triadic

#223783 #832237 #378322

tetradic

#223783 #832268 #836E22 #22833D

square

#223783 #832268 #836E22 #22833D

split-complementary

#223783 #833D22 #688322

monochromatic

#090E22 #152352 #223783 #2F4BB4 #4E6BD1

Accessibility & contrast

On white

10.81

#223783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#223783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223783

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223783	#FFFFFF	#000000	##FFFFFF
##223783	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223783;
/* rgb */ color: rgb(34, 55, 131);
/* oklch */ color: oklch(36.9% 0.130 267.8);

Tailwind

colors: {
  custom: {
    50: '#6b6da8',
    500: '#223783',
    950: '#000000',
  },
}

SCSS

$custom: #223783;
$custom-light: #6b6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#223783",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 227.01,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36858,
    "c": 0.13043,
    "h": 267.8
  },
  "luminance": 0.04711
}

Semantic roles & 50–950 ramp

primary

#223783

secondary

#B49E4C

accent

#C046E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223783

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

Preview Lab → · Contrast checker → · Palette generator →