#123A65#123A65

#123A65 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.087 H 253.1°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX#123A65
RGBrgb(18, 58, 101)
HSLhsl(211, 70%, 23%)
HSVhsv(211, 82%, 40%)
CMYKcmyk(82.2%, 42.6%, 0%, 60.4%)
CIE-LABlab(23.98, 3.18, -29.26)
CIE-LCHlch(23.98, 29.43, 276.21°)
OKLaboklab(34.52% -0.0254 -0.0836)
OKLCHoklch(34.52% 0.087 253.1)
XYZxyz(4.1106, 4.0938, 12.8829)
Luminance0.0409 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123A65 #653D12
analogous
#126365 #123A65 #131265
triadic
#123A65 #65123A #3A6512
tetradic
#123A65 #651263 #653D12 #126513
square
#123A65 #651263 #653D12 #126513
split-complementary
#123A65 #651312 #636512
monochromatic
#050F1A #091C31 #123A65 #1B5899 #2576CD

Accessibility & contrast

On white

11.55
#123A65 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#123A65 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A65
11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123A65#FFFFFF#000000##FFFFFF
##123A651.0011.551.8211.55
#FFFFFF11.551.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253D67
Deuteranopia (green-blind)
#183664
Tritanopia (blue-blind)
#00444A
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #123a65;
/* rgb */ color: rgb(18, 58, 101);
/* oklch */ color: oklch(34.5% 0.087 253.1);
Tailwind
colors: {
  custom: {
    50: '#5e6f91',
    500: '#123a65',
    950: '#000000',
  },
}
SCSS
$custom: #123a65;
$custom-light: #5e6f91;
$custom-dark: #000000;
JSON
{
  "hex": "#123a65",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 101
  },
  "hsl": {
    "h": 211.084,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34518,
    "c": 0.08735,
    "h": 253.1
  },
  "luminance": 0.04094
}

Semantic roles & 50–950 ramp

primary
#123A65
secondary
#9D6B36
accent
#973BED
background
#F5F6F8
surface
#EAECF0
border
#C6C7CB
text
#05070D
muted
#797A7D

Preview Lab

Preview with #123A65

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

Preview Lab → · Contrast checker → · Palette generator →

#123A65 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva