#121A2D#121A2D

#121A2D is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.0% C 0.039 H 265.9°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#121A2D
RGB	rgb(18, 26, 45)
HSL	hsl(222, 43%, 12%)
HSV	hsv(222, 60%, 18%)
CMYK	cmyk(60%, 42.2%, 0%, 82.4%)
CIE-LAB	lab(9.46, 3.11, -13.91)
CIE-LCH	lch(9.46, 14.26, 282.60°)
OKLab	oklab(22.05% -0.0028 -0.0392)
OKLCH	oklch(22.05% 0.039 265.9)
XYZ	xyz(1.0923, 1.0568, 2.6285)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A2D #2D2512

analogous

#12282D #121A2D #18122D

triadic

#121A2D #2D121A #1A2D12

tetradic

#121A2D #2D1228 #2D2512 #122D18

square

#121A2D #2D1228 #2D2512 #122D18

split-complementary

#121A2D #2D1812 #282D12

monochromatic

#090D16 #090D16 #121A2D #233359 #354D84

Accessibility & contrast

On white

17.34

#121A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A2D

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A2D	#FFFFFF	#000000	##FFFFFF
##121A2D	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131C2E

Deuteranopia (green-blind)

#10192D

Tritanopia (blue-blind)

#071E21

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121a2d;
/* rgb */ color: rgb(18, 26, 45);
/* oklch */ color: oklch(22.0% 0.039 265.9);

Tailwind

colors: {
  custom: {
    50: '#525666',
    500: '#121a2d',
    950: '#000000',
  },
}

SCSS

$custom: #121a2d;
$custom-light: #525666;
$custom-dark: #000000;

JSON

{
  "hex": "#121a2d",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 45
  },
  "hsl": {
    "h": 222.222,
    "s": 42.857,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22048,
    "c": 0.03928,
    "h": 265.9
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#121A2D

secondary

#655736

accent

#AD55D3

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020305

muted

#78787A

Preview Lab

Preview with #121A2D

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

Preview Lab → · Contrast checker → · Palette generator →