#223B64#223B64

#223B64 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.078 H 259.8°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#223B64
RGB	rgb(34, 59, 100)
HSL	hsl(217, 49%, 26%)
HSV	hsv(217, 66%, 39%)
CMYK	cmyk(66%, 41%, 0%, 60.8%)
CIE-LAB	lab(24.91, 4.84, -27.08)
CIE-LCH	lch(24.91, 27.51, 280.13°)
OKLab	oklab(35.41% -0.0138 -0.0769)
OKLCH	oklch(35.41% 0.078 259.8)
XYZ	xyz(4.5231, 4.3877, 12.6627)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B64 #644B22

analogous

#225C64 #223B64 #2A2264

triadic

#223B64 #64223B #3B6422

tetradic

#223B64 #64225C #644B22 #22642A

square

#223B64 #64225C #644B22 #22642A

split-complementary

#223B64 #642A22 #5C6422

monochromatic

#080D17 #122036 #223B64 #325692 #4271BF

Accessibility & contrast

On white

11.18

#223B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#223B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B64

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B64	#FFFFFF	#000000	##FFFFFF
##223B64	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293E66

Deuteranopia (green-blind)

#203863

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #223b64;
/* rgb */ color: rgb(34, 59, 100);
/* oklch */ color: oklch(35.4% 0.078 259.8);

Tailwind

colors: {
  custom: {
    50: '#647090',
    500: '#223b64',
    950: '#000000',
  },
}

SCSS

$custom: #223b64;
$custom-light: #647090;
$custom-dark: #000000;

JSON

{
  "hex": "#223b64",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 100
  },
  "hsl": {
    "h": 217.273,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35412,
    "c": 0.07816,
    "h": 259.8
  },
  "luminance": 0.04388
}

Semantic roles & 50–950 ramp

primary

#223B64

secondary

#987A4A

accent

#A54FD9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223B64

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

Preview Lab → · Contrast checker → · Palette generator →