#223D63#223D63

#223D63 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 35.8% C 0.074 H 257.2°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#223D63
RGB	rgb(34, 61, 99)
HSL	hsl(215, 49%, 26%)
HSV	hsv(215, 66%, 39%)
CMYK	cmyk(65.7%, 38.4%, 0%, 61.2%)
CIE-LAB	lab(25.50, 3.08, -25.51)
CIE-LCH	lch(25.50, 25.70, 276.88°)
OKLab	oklab(35.85% -0.0165 -0.0723)
OKLCH	oklch(35.85% 0.074 257.2)
XYZ	xyz(4.5798, 4.5780, 12.4443)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D63 #634822

analogous

#225D63 #223D63 #272263

triadic

#223D63 #63223D #3D6322

tetradic

#223D63 #63225D #634822 #226327

square

#223D63 #63225D #634822 #226327

split-complementary

#223D63 #632722 #5D6322

monochromatic

#080E17 #122135 #223D63 #325991 #4175BE

Accessibility & contrast

On white

10.96

#223D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#223D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D63

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D63	#FFFFFF	#000000	##FFFFFF
##223D63	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4065

Deuteranopia (green-blind)

#243A62

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223d63;
/* rgb */ color: rgb(34, 61, 99);
/* oklch */ color: oklch(35.8% 0.074 257.2);

Tailwind

colors: {
  custom: {
    50: '#64728f',
    500: '#223d63',
    950: '#000000',
  },
}

SCSS

$custom: #223d63;
$custom-light: #64728f;
$custom-dark: #000000;

JSON

{
  "hex": "#223d63",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 215.077,
    "s": 48.872,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35846,
    "c": 0.07417,
    "h": 257.2
  },
  "luminance": 0.04578
}

Semantic roles & 50–950 ramp

primary

#223D63

secondary

#97774A

accent

#9F4FD8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223D63

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

Preview Lab → · Contrast checker → · Palette generator →