#123B6F#123B6F

#123B6F is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.101 H 256.3°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#123B6F
RGBrgb(18, 59, 111)
HSLhsl(214, 72%, 25%)
HSVhsv(214, 84%, 44%)
CMYKcmyk(83.8%, 46.8%, 0%, 56.5%)
CIE-LABlab(24.96, 6.72, -34.11)
CIE-LCHlch(24.96, 34.77, 281.14°)
OKLaboklab(35.5% -0.0239 -0.0978)
OKLCHoklch(35.5% 0.101 256.3)
XYZxyz(4.6816, 4.4037, 15.6391)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123B6F #6F4612
analogous
#126A6F #123B6F #17126F
triadic
#123B6F #6F123B #3B6F12
tetradic
#123B6F #6F126A #6F4612 #126F17
square
#123B6F #6F126A #6F4612 #126F17
split-complementary
#123B6F #6F1712 #6A6F12
monochromatic
#040E1A #091F3A #123B6F #1B57A4 #2373D8

Accessibility & contrast

On white

11.17
#123B6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#123B6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B6F
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123B6F#FFFFFF#000000##FFFFFF
##123B6F1.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#204071
Deuteranopia (green-blind)
#0C376E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #123b6f;
/* rgb */ color: rgb(18, 59, 111);
/* oklch */ color: oklch(35.5% 0.101 256.3);
Tailwind
colors: {
  custom: {
    50: '#617099',
    500: '#123b6f',
    950: '#000000',
  },
}
SCSS
$custom: #123b6f;
$custom-light: #617099;
$custom-dark: #000000;
JSON
{
  "hex": "#123b6f",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 111
  },
  "hsl": {
    "h": 213.548,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35496,
    "c": 0.10071,
    "h": 256.3
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary
#123B6F
secondary
#A67537
accent
#9F39EF
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #123B6F

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

Preview Lab → · Contrast checker → · Palette generator →

#123B6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva