#123083#123083

#123083 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.144 H 264.6°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX#123083
RGBrgb(18, 48, 131)
HSLhsl(224, 76%, 29%)
HSVhsv(224, 86%, 51%)
CMYKcmyk(86.3%, 63.4%, 0%, 48.6%)
CIE-LABlab(23.27, 22.96, -49.53)
CIE-LCHlch(23.27, 54.59, 294.87°)
OKLaboklab(34.71% -0.0136 -0.1434)
OKLCHoklch(34.71% 0.144 264.6)
XYZxyz(5.4017, 3.8805, 21.9326)
Luminance0.0388 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123083 #836512
analogous
#126983 #123083 #2D1283
triadic
#123083 #831230 #308312
tetradic
#123083 #831269 #836512 #12832D
square
#123083 #831269 #836512 #12832D
split-complementary
#123083 #832D12 #698312
monochromatic
#040A1B #0B1C4D #123083 #1944B9 #2D5DE2

Accessibility & contrast

On white

11.82
#123083 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#123083 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123083
11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123083#FFFFFF#000000##FFFFFF
##1230831.0011.821.7811.82
#FFFFFF11.821.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003D86
Deuteranopia (green-blind)
#003281
Tritanopia (blue-blind)
#004654
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #123083;
/* rgb */ color: rgb(18, 48, 131);
/* oklch */ color: oklch(34.7% 0.144 264.6);
Tailwind
colors: {
  custom: {
    50: '#6767a8',
    500: '#123083',
    950: '#000000',
  },
}
SCSS
$custom: #123083;
$custom-light: #6767a8;
$custom-dark: #000000;
JSON
{
  "hex": "#123083",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 131
  },
  "hsl": {
    "h": 224.071,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34713,
    "c": 0.144,
    "h": 264.6
  },
  "luminance": 0.03881
}

Semantic roles & 50–950 ramp

primary
#123083
secondary
#B89638
accent
#C035F2
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070610
muted
#7A7A7F

Preview Lab

Preview with #123083

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

Preview Lab → · Contrast checker → · Palette generator →

#123083 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva