#121E5C#121E5C

#121E5C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.111 H 269.0°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX#121E5C
RGBrgb(18, 30, 92)
HSLhsl(230, 67%, 22%)
HSVhsv(230, 80%, 36%)
CMYKcmyk(80.4%, 67.4%, 0%, 63.9%)
CIE-LABlab(14.57, 19.76, -38.54)
CIE-LCHlch(14.57, 43.31, 297.15°)
OKLaboklab(27.12% -0.002 -0.1114)
OKLCHoklch(27.12% 0.111 269)
XYZxyz(2.6448, 1.8296, 10.3369)
Luminance0.0183 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#121E5C #5C5012
analogous
#12435C #121E5C #2B125C
triadic
#121E5C #5C121E #1E5C12
tetradic
#121E5C #5C1243 #5C5012 #125C2B
square
#121E5C #5C1243 #5C5012 #125C2B
split-complementary
#121E5C #5C2B12 #435C12
monochromatic
#05081A #080D29 #121E5C #1C2F8F #263FC2

Accessibility & contrast

On white

15.37
#121E5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.37
#121E5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E5C
15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##121E5C#FFFFFF#000000##FFFFFF
##121E5C1.0015.371.3715.37
#FFFFFF15.371.0021.001.00
#0000001.3721.001.0021.00
##FFFFFF15.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00285E
Deuteranopia (green-blind)
#00215B
Tritanopia (blue-blind)
#002E39
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #121e5c;
/* rgb */ color: rgb(18, 30, 92);
/* oklch */ color: oklch(27.1% 0.111 269.0);
Tailwind
colors: {
  custom: {
    50: '#5d598b',
    500: '#121e5c',
    950: '#000000',
  },
}
SCSS
$custom: #121e5c;
$custom-light: #5d598b;
$custom-dark: #000000;
JSON
{
  "hex": "#121e5c",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 92
  },
  "hsl": {
    "h": 230.27,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27123,
    "c": 0.11141,
    "h": 269
  },
  "luminance": 0.0183
}

Semantic roles & 50–950 ramp

primary
#121E5C
secondary
#948535
accent
#CE3EEA
background
#F5F5F8
surface
#EAE9F0
border
#C6C5CB
text
#05030C
muted
#79787D

Preview Lab

Preview with #121E5C

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

Preview Lab → · Contrast checker → · Palette generator →

#121E5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva