#121A2A#121A2A

#121A2A is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.8% C 0.034 H 263.5°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#121A2A
RGB	rgb(18, 26, 42)
HSL	hsl(220, 40%, 12%)
HSV	hsv(220, 57%, 16%)
CMYK	cmyk(57.1%, 38.1%, 0%, 83.5%)
CIE-LAB	lab(9.28, 1.94, -11.99)
CIE-LCH	lch(9.28, 12.14, 279.17°)
OKLab	oklab(21.85% -0.0038 -0.0336)
OKLCH	oklch(21.85% 0.034 263.5)
XYZ	xyz(1.0366, 1.0345, 2.3351)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A2A #2A2212

analogous

#12262A #121A2A #16122A

triadic

#121A2A #2A121A #1A2A12

tetradic

#121A2A #2A1226 #2A2212 #122A16

square

#121A2A #2A1226 #2A2212 #122A16

split-complementary

#121A2A #2A1612 #262A12

monochromatic

#090D15 #090D15 #121A2A #243555 #374F80

Accessibility & contrast

On white

17.40

#121A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A2A

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A2A	#FFFFFF	#000000	##FFFFFF
##121A2A	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141B2B

Deuteranopia (green-blind)

#12192A

Tritanopia (blue-blind)

#091D20

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121a2a;
/* rgb */ color: rgb(18, 26, 42);
/* oklch */ color: oklch(21.8% 0.034 263.5);

Tailwind

colors: {
  custom: {
    50: '#515663',
    500: '#121a2a',
    950: '#000000',
  },
}

SCSS

$custom: #121a2a;
$custom-light: #515663;
$custom-dark: #000000;

JSON

{
  "hex": "#121a2a",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 42
  },
  "hsl": {
    "h": 220,
    "s": 40,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21849,
    "c": 0.03381,
    "h": 263.5
  },
  "luminance": 0.01035
}

Semantic roles & 50–950 ramp

primary

#121A2A

secondary

#615337

accent

#A858D0

background

#F4F5F5

surface

#E7E8EA

border

#C3C4C6

text

#020305

muted

#787879

Preview Lab

Preview with #121A2A

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

Preview Lab → · Contrast checker → · Palette generator →