#223D64#223D64

#223D64 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 35.9% C 0.076 H 257.6°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#223D64
RGB	rgb(34, 61, 100)
HSL	hsl(215, 49%, 26%)
HSV	hsv(215, 66%, 39%)
CMYK	cmyk(66%, 39%, 0%, 60.8%)
CIE-LAB	lab(25.55, 3.46, -26.07)
CIE-LCH	lch(25.55, 26.30, 277.57°)
OKLab	oklab(35.91% -0.0162 -0.0739)
OKLCH	oklch(35.91% 0.076 257.6)
XYZ	xyz(4.6279, 4.5972, 12.6976)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D64 #644922

analogous

#225E64 #223D64 #282264

triadic

#223D64 #64223D #3D6422

tetradic

#223D64 #64225E #644922 #226428

square

#223D64 #64225E #644922 #226428

split-complementary

#223D64 #642822 #5E6422

monochromatic

#080E17 #122136 #223D64 #325992 #4275BF

Accessibility & contrast

On white

10.94

#223D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#223D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D64

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D64	#FFFFFF	#000000	##FFFFFF
##223D64	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4066

Deuteranopia (green-blind)

#233A63

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223d64;
/* rgb */ color: rgb(34, 61, 100);
/* oklch */ color: oklch(35.9% 0.076 257.6);

Tailwind

colors: {
  custom: {
    50: '#647290',
    500: '#223d64',
    950: '#000000',
  },
}

SCSS

$custom: #223d64;
$custom-light: #647290;
$custom-dark: #000000;

JSON

{
  "hex": "#223d64",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 215.455,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3591,
    "c": 0.07569,
    "h": 257.6
  },
  "luminance": 0.04598
}

Semantic roles & 50–950 ramp

primary

#223D64

secondary

#98784A

accent

#A04FD9

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223D64

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

Preview Lab → · Contrast checker → · Palette generator →