#223BA0#223BA0

#223BA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.166 H 267.4°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#223BA0
RGB	rgb(34, 59, 160)
HSL	hsl(228, 65%, 38%)
HSV	hsv(228, 79%, 63%)
CMYK	cmyk(78.8%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(29.43, 28.38, -57.31)
CIE-LCH	lch(29.43, 63.95, 296.34°)
OKLab	oklab(40.25% -0.0076 -0.1657)
OKLCH	oklch(40.25% 0.166 267.4)
XYZ	xyz(8.5666, 6.0051, 33.9585)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223BA0 #A08722

analogous

#227AA0 #223BA0 #4822A0

triadic

#223BA0 #A0223B #3BA022

tetradic

#223BA0 #A0227A #A08722 #22A048

square

#223BA0 #A0227A #A08722 #22A048

split-complementary

#223BA0 #A04822 #7AA022

monochromatic

#0D163B #17286E #223BA0 #2D4ED2 #5F78DD

Accessibility & contrast

On white

9.54

#223BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#223BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223BA0

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223BA0	#FFFFFF	#000000	##FFFFFF
##223BA0	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #223ba0;
/* rgb */ color: rgb(34, 59, 160);
/* oklch */ color: oklch(40.3% 0.166 267.4);

Tailwind

colors: {
  custom: {
    50: '#7270bd',
    500: '#223ba0',
    950: '#000000',
  },
}

SCSS

$custom: #223ba0;
$custom-light: #7270bd;
$custom-dark: #000000;

JSON

{
  "hex": "#223ba0",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 228.095,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40253,
    "c": 0.16592,
    "h": 267.4
  },
  "luminance": 0.06006
}

Semantic roles & 50–950 ramp

primary

#223BA0

secondary

#C2AE5C

accent

#C740E8

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #223BA0

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

Preview Lab → · Contrast checker → · Palette generator →