#23479A#23479A

#23479A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.2% C 0.142 H 263.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#23479A
RGBrgb(35, 71, 154)
HSLhsl(222, 63%, 37%)
HSVhsv(222, 77%, 60%)
CMYKcmyk(77.3%, 53.9%, 0%, 39.6%)
CIE-LABlab(32.25, 18.03, -49.08)
CIE-LCHlch(32.25, 52.28, 290.17°)
OKLaboklab(42.23% -0.0155 -0.1414)
OKLCHoklch(42.23% 0.142 263.7)
XYZxyz(8.7770, 7.1959, 31.4920)
Luminance0.0720 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23479A #9A7623
analogous
#23839A #23479A #3B239A
triadic
#23479A #9A2347 #479A23
tetradic
#23479A #9A2383 #9A7623 #239A3B
square
#23479A #9A2383 #9A7623 #239A3B
split-complementary
#23479A #9A3B23 #839A23
monochromatic
#0C1936 #183068 #23479A #2E5ECC #5D83DA

Accessibility & contrast

On white

8.61
#23479A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#23479A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23479A
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23479A#FFFFFF#000000##FFFFFF
##23479A1.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#09529D
Deuteranopia (green-blind)
#004798
Tritanopia (blue-blind)
#005B69
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #23479a;
/* rgb */ color: rgb(35, 71, 154);
/* oklch */ color: oklch(42.2% 0.142 263.7);
Tailwind
colors: {
  custom: {
    50: '#7079b8',
    500: '#23479a',
    950: '#000000',
  },
}
SCSS
$custom: #23479a;
$custom-light: #7079b8;
$custom-dark: #000000;
JSON
{
  "hex": "#23479a",
  "rgb": {
    "r": 35,
    "g": 71,
    "b": 154
  },
  "hsl": {
    "h": 221.849,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42229,
    "c": 0.14221,
    "h": 263.7
  },
  "luminance": 0.07197
}

Semantic roles & 50–950 ramp

primary
#23479A
secondary
#BFA05A
accent
#B442E6
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090911
muted
#7B7B80

Preview Lab

Preview with #23479A

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

Preview Lab → · Contrast checker → · Palette generator →

#23479A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva