#123E75#123E75

#123E75 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.106 H 256.1°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX#123E75
RGBrgb(18, 62, 117)
HSLhsl(213, 73%, 26%)
HSVhsv(213, 85%, 46%)
CMYKcmyk(84.6%, 47%, 0%, 54.1%)
CIE-LABlab(26.33, 7.15, -35.75)
CIE-LCHlch(26.33, 36.46, 281.32°)
OKLaboklab(36.68% -0.0253 -0.1026)
OKLCHoklch(36.68% 0.106 256.1)
XYZxyz(5.1818, 4.8576, 17.4907)
Luminance0.0486 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123E75 #754912
analogous
#127075 #123E75 #181275
triadic
#123E75 #75123E #3E7512
tetradic
#123E75 #751270 #754912 #127518
square
#123E75 #751270 #754912 #127518
split-complementary
#123E75 #751812 #707512
monochromatic
#040E1B #0A2240 #123E75 #1A5AAA #2476DD

Accessibility & contrast

On white

10.65
#123E75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#123E75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E75
10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123E75#FFFFFF#000000##FFFFFF
##123E751.0010.651.9710.65
#FFFFFF10.651.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#214377
Deuteranopia (green-blind)
#0A3A74
Tritanopia (blue-blind)
#004B53
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #123e75;
/* rgb */ color: rgb(18, 62, 117);
/* oklch */ color: oklch(36.7% 0.106 256.1);
Tailwind
colors: {
  custom: {
    50: '#62729d',
    500: '#123e75',
    950: '#000000',
  },
}
SCSS
$custom: #123e75;
$custom-light: #62729d;
$custom-dark: #000000;
JSON
{
  "hex": "#123e75",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 117
  },
  "hsl": {
    "h": 213.333,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36683,
    "c": 0.10565,
    "h": 256.1
  },
  "luminance": 0.04858
}

Semantic roles & 50–950 ramp

primary
#123E75
secondary
#AC7837
accent
#9E38F0
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06080E
muted
#7A7B7E

Preview Lab

Preview with #123E75

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

Preview Lab → · Contrast checker → · Palette generator →

#123E75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva