#223C8C#223C8C

#223C8C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.137 H 266.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#223C8C
RGB	rgb(34, 60, 140)
HSL	hsl(225, 61%, 34%)
HSV	hsv(225, 76%, 55%)
CMYK	cmyk(75.7%, 57.1%, 0%, 45.1%)
CIE-LAB	lab(28.02, 19.92, -47.37)
CIE-LCH	lch(28.02, 51.39, 292.81°)
OKLab	oklab(38.68% -0.0087 -0.1365)
OKLCH	oklch(38.68% 0.137 266.3)
XYZ	xyz(7.0075, 5.4645, 25.4913)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C8C #8C7222

analogous

#22718C #223C8C #3D228C

triadic

#223C8C #8C223C #3C8C22

tetradic

#223C8C #8C2271 #8C7222 #228C3D

square

#223C8C #8C2271 #8C7222 #228C3D

split-complementary

#223C8C #8C3D22 #718C22

monochromatic

#0A122A #16275B #223C8C #2E51BD #5373D5

Accessibility & contrast

On white

10.03

#223C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#223C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C8C

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C8C	#FFFFFF	#000000	##FFFFFF
##223C8C	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223c8c;
/* rgb */ color: rgb(34, 60, 140);
/* oklch */ color: oklch(38.7% 0.137 266.3);

Tailwind

colors: {
  custom: {
    50: '#6d71ae',
    500: '#223c8c',
    950: '#000000',
  },
}

SCSS

$custom: #223c8c;
$custom-light: #6d71ae;
$custom-dark: #000000;

JSON

{
  "hex": "#223c8c",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 140
  },
  "hsl": {
    "h": 225.283,
    "s": 60.92,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38681,
    "c": 0.13683,
    "h": 266.3
  },
  "luminance": 0.05465
}

Semantic roles & 50–950 ramp

primary

#223C8C

secondary

#B99F51

accent

#BD44E4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223C8C

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

Preview Lab → · Contrast checker → · Palette generator →