#121A2C#121A2C

#121A2C is a very dark, muted blue. Relative luminance 0.010; OKLCH L 22.0% C 0.037 H 265.2°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#121A2C
RGB	rgb(18, 26, 44)
HSL	hsl(222, 42%, 12%)
HSV	hsv(222, 59%, 17%)
CMYK	cmyk(59.1%, 40.9%, 0%, 82.7%)
CIE-LAB	lab(9.39, 2.72, -13.27)
CIE-LCH	lch(9.39, 13.55, 281.56°)
OKLab	oklab(21.98% -0.0031 -0.0373)
OKLCH	oklch(21.98% 0.037 265.2)
XYZ	xyz(1.0733, 1.0492, 2.5283)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A2C #2C2412

analogous

#12272C #121A2C #17122C

triadic

#121A2C #2C121A #1A2C12

tetradic

#121A2C #2C1227 #2C2412 #122C17

square

#121A2C #2C1227 #2C2412 #122C17

split-complementary

#121A2C #2C1712 #272C12

monochromatic

#090D16 #090D16 #121A2C #243457 #364D83

Accessibility & contrast

On white

17.36

#121A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A2C

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A2C	#FFFFFF	#000000	##FFFFFF
##121A2C	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131C2D

Deuteranopia (green-blind)

#10192C

Tritanopia (blue-blind)

#081E21

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121a2c;
/* rgb */ color: rgb(18, 26, 44);
/* oklch */ color: oklch(22.0% 0.037 265.2);

Tailwind

colors: {
  custom: {
    50: '#515665',
    500: '#121a2c',
    950: '#000000',
  },
}

SCSS

$custom: #121a2c;
$custom-light: #515665;
$custom-dark: #000000;

JSON

{
  "hex": "#121a2c",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 44
  },
  "hsl": {
    "h": 221.538,
    "s": 41.935,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21981,
    "c": 0.03745,
    "h": 265.2
  },
  "luminance": 0.01049
}

Semantic roles & 50–950 ramp

primary

#121A2C

secondary

#635636

accent

#AC56D2

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020305

muted

#78787A

Preview Lab

Preview with #121A2C

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

Preview Lab → · Contrast checker → · Palette generator →