#223BA1#223BA1

#223BA1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.167 H 267.4°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#223BA1
RGB	rgb(34, 59, 161)
HSL	hsl(228, 65%, 38%)
HSV	hsv(228, 79%, 63%)
CMYK	cmyk(78.9%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.51, 28.76, -57.77)
CIE-LCH	lch(29.51, 64.54, 296.47°)
OKLab	oklab(40.35% -0.0076 -0.1671)
OKLCH	oklch(40.35% 0.167 267.4)
XYZ	xyz(8.6544, 6.0402, 34.4211)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BA1 #A18822

analogous

#227AA1 #223BA1 #4822A1

triadic

#223BA1 #A1223B #3BA122

tetradic

#223BA1 #A1227A #A18822 #22A148

square

#223BA1 #A1227A #A18822 #22A148

split-complementary

#223BA1 #A14822 #7AA122

monochromatic

#0D163C #17286E #223BA1 #2D4ED3 #6079DD

Accessibility & contrast

On white

9.51

#223BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#223BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BA1

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BA1	#FFFFFF	#000000	##FFFFFF
##223BA1	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #223ba1;
/* rgb */ color: rgb(34, 59, 161);
/* oklch */ color: oklch(40.3% 0.167 267.4);

Tailwind

colors: {
  custom: {
    50: '#7370be',
    500: '#223ba1',
    950: '#000000',
  },
}

SCSS

$custom: #223ba1;
$custom-light: #7370be;
$custom-dark: #000000;

JSON

{
  "hex": "#223ba1",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 228.189,
    "s": 65.128,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40346,
    "c": 0.16727,
    "h": 267.4
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#223BA1

secondary

#C2AE5D

accent

#C740E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223BA1

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

Preview Lab → · Contrast checker → · Palette generator →