#223A64#223A64

#223A64 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.079 H 260.9°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#223A64
RGB	rgb(34, 58, 100)
HSL	hsl(218, 49%, 26%)
HSV	hsv(218, 66%, 39%)
CMYK	cmyk(66%, 42%, 0%, 60.8%)
CIE-LAB	lab(24.59, 5.53, -27.59)
CIE-LCH	lch(24.59, 28.14, 281.34°)
OKLab	oklab(35.16% -0.0126 -0.0784)
OKLCH	oklch(35.16% 0.079 260.9)
XYZ	xyz(4.4722, 4.2859, 12.6457)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A64 #644C22

analogous

#225B64 #223A64 #2B2264

triadic

#223A64 #64223A #3A6422

tetradic

#223A64 #64225B #644C22 #22642B

square

#223A64 #64225B #644C22 #22642B

split-complementary

#223A64 #642B22 #5B6422

monochromatic

#080D17 #122036 #223A64 #325492 #426FBF

Accessibility & contrast

On white

11.31

#223A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#223A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A64

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A64	#FFFFFF	#000000	##FFFFFF
##223A64	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#1E3863

Tritanopia (blue-blind)

#00434A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #223a64;
/* rgb */ color: rgb(34, 58, 100);
/* oklch */ color: oklch(35.2% 0.079 260.9);

Tailwind

colors: {
  custom: {
    50: '#646f90',
    500: '#223a64',
    950: '#000000',
  },
}

SCSS

$custom: #223a64;
$custom-light: #646f90;
$custom-dark: #000000;

JSON

{
  "hex": "#223a64",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 100
  },
  "hsl": {
    "h": 218.182,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35164,
    "c": 0.07944,
    "h": 260.9
  },
  "luminance": 0.04286
}

Semantic roles & 50–950 ramp

primary

#223A64

secondary

#987C4A

accent

#A74FD9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223A64

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

Preview Lab → · Contrast checker → · Palette generator →