#223C63#223C63

#223C63 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.075 H 258.3°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#223C63
RGB	rgb(34, 60, 99)
HSL	hsl(216, 49%, 26%)
HSV	hsv(216, 66%, 39%)
CMYK	cmyk(65.7%, 39.4%, 0%, 61.2%)
CIE-LAB	lab(25.17, 3.76, -26.02)
CIE-LCH	lch(25.17, 26.29, 278.23°)
OKLab	oklab(35.6% -0.0153 -0.0738)
OKLCH	oklch(35.6% 0.075 258.3)
XYZ	xyz(4.5269, 4.4722, 12.4266)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C63 #634922

analogous

#225C63 #223C63 #282263

triadic

#223C63 #63223C #3C6322

tetradic

#223C63 #63225C #634922 #226328

square

#223C63 #63225C #634922 #226328

split-complementary

#223C63 #632822 #5C6322

monochromatic

#080E17 #122035 #223C63 #325891 #4173BE

Accessibility & contrast

On white

11.08

#223C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#223C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C63

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C63	#FFFFFF	#000000	##FFFFFF
##223C63	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F65

Deuteranopia (green-blind)

#223962

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #223c63;
/* rgb */ color: rgb(34, 60, 99);
/* oklch */ color: oklch(35.6% 0.075 258.3);

Tailwind

colors: {
  custom: {
    50: '#64718f',
    500: '#223c63',
    950: '#000000',
  },
}

SCSS

$custom: #223c63;
$custom-light: #64718f;
$custom-dark: #000000;

JSON

{
  "hex": "#223c63",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 99
  },
  "hsl": {
    "h": 216,
    "s": 48.872,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35595,
    "c": 0.07539,
    "h": 258.3
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#223C63

secondary

#97784A

accent

#A24FD8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #223C63

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

Preview Lab → · Contrast checker → · Palette generator →