#121B2E#121B2E

#121B2E is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.4% C 0.040 H 264.2°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#121B2E
RGB	rgb(18, 27, 46)
HSL	hsl(221, 44%, 13%)
HSV	hsv(221, 61%, 18%)
CMYK	cmyk(60.9%, 41.3%, 0%, 82%)
CIE-LAB	lab(9.87, 2.74, -13.99)
CIE-LCH	lch(9.87, 14.26, 281.09°)
OKLab	oklab(22.39% -0.004 -0.0394)
OKLCH	oklch(22.39% 0.04 264.2)
XYZ	xyz(1.1344, 1.1096, 2.7386)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B2E #2E2512

analogous

#12292E #121B2E #17122E

triadic

#121B2E #2E121B #1B2E12

tetradic

#121B2E #2E1229 #2E2512 #122E17

square

#121B2E #2E1229 #2E2512 #122E17

split-complementary

#121B2E #2E1712 #292E12

monochromatic

#090D16 #090D16 #121B2E #23355A #344F86

Accessibility & contrast

On white

17.18

#121B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B2E

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B2E	#FFFFFF	#000000	##FFFFFF
##121B2E	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141D2F

Deuteranopia (green-blind)

#111A2E

Tritanopia (blue-blind)

#061F22

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121b2e;
/* rgb */ color: rgb(18, 27, 46);
/* oklch */ color: oklch(22.4% 0.040 264.2);

Tailwind

colors: {
  custom: {
    50: '#525766',
    500: '#121b2e',
    950: '#000000',
  },
}

SCSS

$custom: #121b2e;
$custom-light: #525766;
$custom-dark: #000000;

JSON

{
  "hex": "#121b2e",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 220.714,
    "s": 43.75,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22393,
    "c": 0.03959,
    "h": 264.2
  },
  "luminance": 0.0111
}

Semantic roles & 50–950 ramp

primary

#121B2E

secondary

#665636

accent

#AB54D3

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121B2E

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

Preview Lab → · Contrast checker → · Palette generator →