#223DBC#223DBC

#223DBC is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.3% C 0.200 H 267.2°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#223DBC
RGB	rgb(34, 61, 188)
HSL	hsl(229, 69%, 44%)
HSV	hsv(229, 82%, 74%)
CMYK	cmyk(81.9%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(32.50, 37.56, -69.00)
CIE-LCH	lch(32.50, 78.56, 298.56°)
OKLab	oklab(43.3% -0.0097 -0.1999)
OKLCH	oklch(43.3% 0.2 267.2)
XYZ	xyz(11.4024, 7.3070, 48.3766)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.91

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223DBC #BCA122

analogous

#228ABC #223DBC #5422BC

triadic

#223DBC #BC223D #3DBC22

tetradic

#223DBC #BC228A #BCA122 #22BC54

square

#223DBC #BC228A #BCA122 #22BC54

split-complementary

#223DBC #BC5422 #8ABC22

monochromatic

#0F1B54 #192C88 #223DBC #3F5BDC #7387E6

Accessibility & contrast

On white

8.53

#223DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#223DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223DBC

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223DBC	#FFFFFF	#000000	##FFFFFF
##223DBC	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #223dbc;
/* rgb */ color: rgb(34, 61, 188);
/* oklch */ color: oklch(43.3% 0.200 267.2);

Tailwind

colors: {
  custom: {
    50: '#7972d1',
    500: '#223dbc',
    950: '#000000',
  },
}

SCSS

$custom: #223dbc;
$custom-light: #7972d1;
$custom-dark: #000000;

JSON

{
  "hex": "#223dbc",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 229.481,
    "s": 69.369,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43295,
    "c": 0.20014,
    "h": 267.2
  },
  "luminance": 0.07308
}

Semantic roles & 50–950 ramp

primary

#223DBC

secondary

#CDBC6D

accent

#CD3CEC

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #223DBC

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

Preview Lab → · Contrast checker → · Palette generator →