#23459B#23459B

#23459B is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.146 H 264.6°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX#23459B
RGBrgb(35, 69, 155)
HSLhsl(223, 63%, 37%)
HSVhsv(223, 77%, 61%)
CMYKcmyk(77.4%, 55.5%, 0%, 39.2%)
CIE-LABlab(31.76, 19.78, -50.48)
CIE-LCHlch(31.76, 54.22, 291.40°)
OKLaboklab(41.88% -0.0139 -0.1455)
OKLCHoklch(41.88% 0.146 264.6)
XYZxyz(8.7356, 6.9791, 31.8907)
Luminance0.0698 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23459B #9B7923
analogous
#23819B #23459B #3D239B
triadic
#23459B #9B2345 #459B23
tetradic
#23459B #9B2381 #9B7923 #239B3D
square
#23459B #9B2381 #9B7923 #239B3D
split-complementary
#23459B #9B3D23 #819B23
monochromatic
#0C1937 #182F69 #23459B #2E5BCD #5E81DB

Accessibility & contrast

On white

8.76
#23459B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.40
#23459B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23459B
8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23459B#FFFFFF#000000##FFFFFF
##23459B1.008.762.408.76
#FFFFFF8.761.0021.001.00
#0000002.4021.001.0021.00
##FFFFFF8.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00509E
Deuteranopia (green-blind)
#004599
Tritanopia (blue-blind)
#005A69
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #23459b;
/* rgb */ color: rgb(35, 69, 155);
/* oklch */ color: oklch(41.9% 0.146 264.6);
Tailwind
colors: {
  custom: {
    50: '#7178b9',
    500: '#23459b',
    950: '#000000',
  },
}
SCSS
$custom: #23459b;
$custom-light: #7178b9;
$custom-dark: #000000;
JSON
{
  "hex": "#23459b",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 223,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41882,
    "c": 0.14617,
    "h": 264.6
  },
  "luminance": 0.0698
}

Semantic roles & 50–950 ramp

primary
#23459B
secondary
#BFA35A
accent
#B842E6
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090811
muted
#7B7B80

Preview Lab

Preview with #23459B

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

Preview Lab → · Contrast checker → · Palette generator →

#23459B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva