#223B6D#223B6D

#223B6D is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.092 H 262.7°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#223B6D
RGB	rgb(34, 59, 109)
HSL	hsl(220, 52%, 28%)
HSV	hsv(220, 69%, 43%)
CMYK	cmyk(68.8%, 45.9%, 0%, 57.3%)
CIE-LAB	lab(25.48, 8.35, -31.97)
CIE-LCH	lch(25.48, 33.05, 284.64°)
OKLab	oklab(36.03% -0.0117 -0.0913)
OKLCH	oklch(36.03% 0.092 262.7)
XYZ	xyz(4.9830, 4.5717, 15.0848)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B6D #6D5422

analogous

#22606D #223B6D #2E226D

triadic

#223B6D #6D223B #3B6D22

tetradic

#223B6D #6D2260 #6D5422 #226D2E

square

#223B6D #6D2260 #6D5422 #226D2E

split-complementary

#223B6D #6D2E22 #606D22

monochromatic

#070D17 #13223E #223B6D #31549C #456FC5

Accessibility & contrast

On white

10.97

#223B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#223B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B6D

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B6D	#FFFFFF	#000000	##FFFFFF
##223B6D	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23406F

Deuteranopia (green-blind)

#17396C

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223b6d;
/* rgb */ color: rgb(34, 59, 109);
/* oklch */ color: oklch(36.0% 0.092 262.7);

Tailwind

colors: {
  custom: {
    50: '#667097',
    500: '#223b6d',
    950: '#000000',
  },
}

SCSS

$custom: #223b6d;
$custom-light: #667097;
$custom-dark: #000000;

JSON

{
  "hex": "#223b6d",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 220,
    "s": 52.448,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36031,
    "c": 0.09203,
    "h": 262.7
  },
  "luminance": 0.04572
}

Semantic roles & 50–950 ramp

primary

#223B6D

secondary

#A1844A

accent

#AC4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #223B6D

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

Preview Lab → · Contrast checker → · Palette generator →