#123C65#123C65

#123C65 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.085 H 251.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX#123C65
RGBrgb(18, 60, 101)
HSLhsl(210, 70%, 23%)
HSVhsv(210, 82%, 40%)
CMYKcmyk(82.2%, 40.6%, 0%, 60.4%)
CIE-LABlab(24.64, 1.80, -28.21)
CIE-LCHlch(24.64, 28.27, 273.64°)
OKLaboklab(35.03% -0.0273 -0.0805)
OKLCHoklch(35.03% 0.085 251.2)
XYZxyz(4.2134, 4.2994, 12.9172)
Luminance0.0430 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123C65 #653B12
analogous
#126564 #123C65 #121265
triadic
#123C65 #65123C #3C6512
tetradic
#123C65 #641265 #653B12 #126512
square
#123C65 #641265 #653B12 #126512
split-complementary
#123C65 #651212 #656412
monochromatic
#050F1A #091D31 #123C65 #1B5B99 #257ACD

Accessibility & contrast

On white

11.29
#123C65 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#123C65 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C65
11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123C65#FFFFFF#000000##FFFFFF
##123C651.0011.291.8611.29
#FFFFFF11.291.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#293F67
Deuteranopia (green-blind)
#1C3764
Tritanopia (blue-blind)
#00464B
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #123c65;
/* rgb */ color: rgb(18, 60, 101);
/* oklch */ color: oklch(35.0% 0.085 251.2);
Tailwind
colors: {
  custom: {
    50: '#5e7191',
    500: '#123c65',
    950: '#000000',
  },
}
SCSS
$custom: #123c65;
$custom-light: #5e7191;
$custom-dark: #000000;
JSON
{
  "hex": "#123c65",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 101
  },
  "hsl": {
    "h": 209.639,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.08498,
    "h": 251.2
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary
#123C65
secondary
#9D6936
accent
#933BED
background
#F5F6F8
surface
#EAECF0
border
#C6C7CB
text
#05070D
muted
#797A7D

Preview Lab

Preview with #123C65

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

Preview Lab → · Contrast checker → · Palette generator →

#123C65 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva