#223BA7#223BA7

#223BA7 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.175 H 267.5°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#223BA7
RGB	rgb(34, 59, 167)
HSL	hsl(229, 66%, 39%)
HSV	hsv(229, 80%, 65%)
CMYK	cmyk(79.6%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(30.05, 31.04, -60.51)
CIE-LCH	lch(30.05, 68.01, 297.16°)
OKLab	oklab(40.91% -0.0077 -0.1751)
OKLCH	oklch(40.91% 0.175 267.5)
XYZ	xyz(9.1963, 6.2570, 37.2748)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BA7 #A78E22

analogous

#227EA7 #223BA7 #4C22A7

triadic

#223BA7 #A7223B #3BA722

tetradic

#223BA7 #A7227E #A78E22 #22A74C

square

#223BA7 #A7227E #A78E22 #22A74C

split-complementary

#223BA7 #A74C22 #7EA722

monochromatic

#0D1741 #182974 #223BA7 #3150D5 #647BDF

Accessibility & contrast

On white

9.33

#223BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#223BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BA7

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BA7	#FFFFFF	#000000	##FFFFFF
##223BA7	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAA

Deuteranopia (green-blind)

#0041A5

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #223ba7;
/* rgb */ color: rgb(34, 59, 167);
/* oklch */ color: oklch(40.9% 0.175 267.5);

Tailwind

colors: {
  custom: {
    50: '#7470c2',
    500: '#223ba7',
    950: '#000000',
  },
}

SCSS

$custom: #223ba7;
$custom-light: #7470c2;
$custom-dark: #000000;

JSON

{
  "hex": "#223ba7",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 228.722,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40908,
    "c": 0.17528,
    "h": 267.5
  },
  "luminance": 0.06258
}

Semantic roles & 50–950 ramp

primary

#223BA7

secondary

#C5B260

accent

#C93FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #223BA7

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

Preview Lab → · Contrast checker → · Palette generator →