#223C73#223C73

#223C73 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.100 H 263.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#223C73
RGB	rgb(34, 60, 115)
HSL	hsl(221, 54%, 29%)
HSV	hsv(221, 70%, 45%)
CMYK	cmyk(70.4%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(26.18, 10.02, -34.67)
CIE-LCH	lch(26.18, 36.09, 286.12°)
OKLab	oklab(36.7% -0.0117 -0.0992)
OKLCH	oklch(36.7% 0.1 263.3)
XYZ	xyz(5.3690, 4.8091, 16.8616)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C73 #735922

analogous

#226573 #223C73 #312273

triadic

#223C73 #73223C #3C7322

tetradic

#223C73 #732265 #735922 #227331

square

#223C73 #732265 #735922 #227331

split-complementary

#223C73 #733122 #657322

monochromatic

#070C18 #142344 #223C73 #3055A2 #4770C9

Accessibility & contrast

On white

10.70

#223C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#223C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C73

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C73	#FFFFFF	#000000	##FFFFFF
##223C73	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214275

Deuteranopia (green-blind)

#113A72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223c73;
/* rgb */ color: rgb(34, 60, 115);
/* oklch */ color: oklch(36.7% 0.100 263.3);

Tailwind

colors: {
  custom: {
    50: '#67719c',
    500: '#223c73',
    950: '#000000',
  },
}

SCSS

$custom: #223c73;
$custom-light: #67719c;
$custom-dark: #000000;

JSON

{
  "hex": "#223c73",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 220.741,
    "s": 54.362,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36702,
    "c": 0.09987,
    "h": 263.3
  },
  "luminance": 0.0481
}

Semantic roles & 50–950 ramp

primary

#223C73

secondary

#A6894B

accent

#AE4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223C73

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

Preview Lab → · Contrast checker → · Palette generator →