#223BA8#223BA8

#223BA8 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.177 H 267.5°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#223BA8
RGB	rgb(34, 59, 168)
HSL	hsl(229, 66%, 40%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(79.8%, 64.9%, 0%, 34.1%)
CIE-LAB	lab(30.14, 31.42, -60.96)
CIE-LCH	lch(30.14, 68.58, 297.27°)
OKLab	oklab(41% -0.0078 -0.1764)
OKLCH	oklch(41% 0.177 267.5)
XYZ	xyz(9.2891, 6.2941, 37.7635)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BA8 #A88F22

analogous

#227EA8 #223BA8 #4C22A8

triadic

#223BA8 #A8223B #3BA822

tetradic

#223BA8 #A8227E #A88F22 #22A84C

square

#223BA8 #A8227E #A88F22 #22A84C

split-complementary

#223BA8 #A84C22 #7EA822

monochromatic

#0D1742 #182975 #223BA8 #3250D5 #657CE0

Accessibility & contrast

On white

9.30

#223BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#223BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BA8

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BA8	#FFFFFF	#000000	##FFFFFF
##223BA8	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223ba8;
/* rgb */ color: rgb(34, 59, 168);
/* oklch */ color: oklch(41.0% 0.177 267.5);

Tailwind

colors: {
  custom: {
    50: '#7470c3',
    500: '#223ba8',
    950: '#000000',
  },
}

SCSS

$custom: #223ba8;
$custom-light: #7470c3;
$custom-dark: #000000;

JSON

{
  "hex": "#223ba8",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 168
  },
  "hsl": {
    "h": 228.806,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41003,
    "c": 0.17661,
    "h": 267.5
  },
  "luminance": 0.06295
}

Semantic roles & 50–950 ramp

primary

#223BA8

secondary

#C5B261

accent

#C93FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #223BA8

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

Preview Lab → · Contrast checker → · Palette generator →