#223D75#223D75

#223D75 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.102 H 263.0°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX#223D75
RGBrgb(34, 61, 117)
HSLhsl(220, 55%, 30%)
HSVhsv(220, 71%, 46%)
CMYKcmyk(70.9%, 47.9%, 0%, 54.1%)
CIE-LABlab(26.62, 10.12, -35.23)
CIE-LCHlch(26.62, 36.66, 286.02°)
OKLaboklab(37.08% -0.0123 -0.1008)
OKLCHoklch(37.08% 0.102 263)
XYZxyz(5.5382, 4.9614, 17.4919)
Luminance0.0496 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#223D75 #755A22
analogous
#226775 #223D75 #312275
triadic
#223D75 #75223D #3D7522
tetradic
#223D75 #752267 #755A22 #227531
square
#223D75 #752267 #755A22 #227531
split-complementary
#223D75 #753122 #677522
monochromatic
#070C18 #142446 #223D75 #3056A4 #4872CA

Accessibility & contrast

On white

10.54
#223D75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#223D75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D75
10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##223D75#FFFFFF#000000##FFFFFF
##223D751.0010.541.9910.54
#FFFFFF10.541.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#214377
Deuteranopia (green-blind)
#113B74
Tritanopia (blue-blind)
#004A53
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #223d75;
/* rgb */ color: rgb(34, 61, 117);
/* oklch */ color: oklch(37.1% 0.102 263.0);
Tailwind
colors: {
  custom: {
    50: '#68729d',
    500: '#223d75',
    950: '#000000',
  },
}
SCSS
$custom: #223d75;
$custom-light: #68729d;
$custom-dark: #000000;
JSON
{
  "hex": "#223d75",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 117
  },
  "hsl": {
    "h": 220.482,
    "s": 54.967,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37084,
    "c": 0.10157,
    "h": 263
  },
  "luminance": 0.04962
}

Semantic roles & 50–950 ramp

primary
#223D75
secondary
#A88A4B
accent
#AE49DE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07070E
muted
#7A7A7E

Preview Lab

Preview with #223D75

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

Preview Lab → · Contrast checker → · Palette generator →

#223D75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva