#123963#123963

#123963 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.086 H 253.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX#123963
RGBrgb(18, 57, 99)
HSLhsl(211, 69%, 23%)
HSVhsv(211, 82%, 39%)
CMYKcmyk(81.8%, 42.4%, 0%, 61.2%)
CIE-LABlab(23.52, 3.04, -28.69)
CIE-LCHlch(23.52, 28.85, 276.04°)
OKLaboklab(34.12% -0.0249 -0.0819)
OKLCHoklch(34.12% 0.086 253.1)
XYZxyz(3.9639, 3.9552, 12.3565)
Luminance0.0396 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123963 #633C12
analogous
#126163 #123963 #131263
triadic
#123963 #631239 #396312
tetradic
#123963 #631261 #633C12 #126313
square
#123963 #631261 #633C12 #126313
split-complementary
#123963 #631312 #616312
monochromatic
#050F1A #091B2F #123963 #1B5797 #2575CB

Accessibility & contrast

On white

11.72
#123963 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#123963 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123963
11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123963#FFFFFF#000000##FFFFFF
##1239631.0011.721.7911.72
#FFFFFF11.721.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253C65
Deuteranopia (green-blind)
#183562
Tritanopia (blue-blind)
#004349
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #123963;
/* rgb */ color: rgb(18, 57, 99);
/* oklch */ color: oklch(34.1% 0.086 253.1);
Tailwind
colors: {
  custom: {
    50: '#5e6f90',
    500: '#123963',
    950: '#000000',
  },
}
SCSS
$custom: #123963;
$custom-light: #5e6f90;
$custom-dark: #000000;
JSON
{
  "hex": "#123963",
  "rgb": {
    "r": 18,
    "g": 57,
    "b": 99
  },
  "hsl": {
    "h": 211.111,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34121,
    "c": 0.08563,
    "h": 253.1
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary
#123963
secondary
#9B6A36
accent
#973CEC
background
#F5F6F8
surface
#EAEBF0
border
#C6C6CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #123963

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

Preview Lab → · Contrast checker → · Palette generator →

#123963 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva