#223181#223181

#223181 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.135 H 269.9°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#223181
RGB	rgb(34, 49, 129)
HSL	hsl(231, 58%, 32%)
HSV	hsv(231, 74%, 51%)
CMYK	cmyk(73.6%, 62%, 0%, 49.4%)
CIE-LAB	lab(24.07, 23.22, -46.94)
CIE-LCH	lch(24.07, 52.37, 296.32°)
OKLab	oklab(35.44% -0.0002 -0.1355)
OKLCH	oklch(35.44% 0.135 269.9)
XYZ	xyz(5.7191, 4.1211, 21.2587)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223181 #817222

analogous

#226181 #223181 #432281

triadic

#223181 #812231 #318122

tetradic

#223181 #812261 #817222 #228143

square

#223181 #812261 #817222 #228143

split-complementary

#223181 #814322 #618122

monochromatic

#080C20 #151F51 #223181 #2F43B1 #4D62D0

Accessibility & contrast

On white

11.51

#223181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#223181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223181

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223181	#FFFFFF	#000000	##FFFFFF
##223181	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#00357F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #223181;
/* rgb */ color: rgb(34, 49, 129);
/* oklch */ color: oklch(35.4% 0.135 269.9);

Tailwind

colors: {
  custom: {
    50: '#6b68a6',
    500: '#223181',
    950: '#000000',
  },
}

SCSS

$custom: #223181;
$custom-light: #6b68a6;
$custom-dark: #000000;

JSON

{
  "hex": "#223181",
  "rgb": {
    "r": 34,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 230.526,
    "s": 58.282,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35443,
    "c": 0.13546,
    "h": 269.9
  },
  "luminance": 0.04122
}

Semantic roles & 50–950 ramp

primary

#223181

secondary

#B3A34B

accent

#C946E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #223181

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

Preview Lab → · Contrast checker → · Palette generator →