#123E4C#123E4C

#123E4C is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.053 H 222.9°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX#123E4C
RGBrgb(18, 62, 76)
HSLhsl(194, 62%, 18%)
HSVhsv(194, 76%, 30%)
CMYKcmyk(76.3%, 18.4%, 0%, 70.2%)
CIE-LABlab(23.98, -9.62, -12.88)
CIE-LCHlch(23.98, 16.08, 233.23°)
OKLaboklab(34.08% -0.0387 -0.036)
OKLCHoklch(34.08% 0.053 222.9)
XYZxyz(3.2761, 4.0953, 7.4539)
Luminance0.0410 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123E4C #4C2012
analogous
#124C3D #123E4C #12214C
triadic
#123E4C #4C123E #3E4C12
tetradic
#123E4C #3D124C #4C2012 #214C12
square
#123E4C #3D124C #4C2012 #214C12
split-complementary
#123E4C #4C1221 #4C3D12
monochromatic
#061419 #06161B #123E4C #1E667D #298FAF

Accessibility & contrast

On white

11.54
#123E4C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#123E4C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E4C
11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123E4C#FFFFFF#000000##FFFFFF
##123E4C1.0011.541.8211.54
#FFFFFF11.541.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#363C4D
Deuteranopia (green-blind)
#2E364C
Tritanopia (blue-blind)
#004242
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #123e4c;
/* rgb */ color: rgb(18, 62, 76);
/* oklch */ color: oklch(34.1% 0.053 222.9);
Tailwind
colors: {
  custom: {
    50: '#59737e',
    500: '#123e4c',
    950: '#000000',
  },
}
SCSS
$custom: #123e4c;
$custom-light: #59737e;
$custom-dark: #000000;
JSON
{
  "hex": "#123e4c",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 76
  },
  "hsl": {
    "h": 194.483,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34076,
    "c": 0.05287,
    "h": 222.9
  },
  "luminance": 0.04096
}

Semantic roles & 50–950 ramp

primary
#123E4C
secondary
#854835
accent
#6A43E5
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040809
muted
#797B7B

Preview Lab

Preview with #123E4C

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

Preview Lab → · Contrast checker → · Palette generator →

#123E4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva