#223B7A#223B7A

#223B7A is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.112 H 265.1°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#223B7A
RGB	rgb(34, 59, 122)
HSL	hsl(223, 56%, 31%)
HSV	hsv(223, 72%, 48%)
CMYK	cmyk(72.1%, 51.6%, 0%, 52.2%)
CIE-LAB	lab(26.37, 13.49, -38.80)
CIE-LCH	lch(26.37, 41.08, 289.17°)
OKLab	oklab(37% -0.0096 -0.1114)
OKLCH	oklch(37% 0.112 265.1)
XYZ	xyz(5.7353, 4.8726, 19.0468)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B7A #7A6122

analogous

#22677A #223B7A #35227A

triadic

#223B7A #7A223B #3B7A22

tetradic

#223B7A #7A2267 #7A6122 #227A35

square

#223B7A #7A2267 #7A6122 #227A35

split-complementary

#223B7A #7A3522 #677A22

monochromatic

#070D1A #15244A #223B7A #2F52AA #4A6FCD

Accessibility & contrast

On white

10.64

#223B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#223B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B7A

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B7A	#FFFFFF	#000000	##FFFFFF
##223B7A	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17437C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223b7a;
/* rgb */ color: rgb(34, 59, 122);
/* oklch */ color: oklch(37.0% 0.112 265.1);

Tailwind

colors: {
  custom: {
    50: '#6970a1',
    500: '#223b7a',
    950: '#000000',
  },
}

SCSS

$custom: #223b7a;
$custom-light: #6970a1;
$custom-dark: #000000;

JSON

{
  "hex": "#223b7a",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 122
  },
  "hsl": {
    "h": 222.955,
    "s": 56.41,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37,
    "c": 0.11178,
    "h": 265.1
  },
  "luminance": 0.04873
}

Semantic roles & 50–950 ramp

primary

#223B7A

secondary

#AD914B

accent

#B548E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #223B7A

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

Preview Lab → · Contrast checker → · Palette generator →