#121A2F#121A2F

#121A2F is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.2% C 0.043 H 267.1°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#121A2F
RGB	rgb(18, 26, 47)
HSL	hsl(223, 45%, 13%)
HSV	hsv(223, 62%, 18%)
CMYK	cmyk(61.7%, 44.7%, 0%, 81.6%)
CIE-LAB	lab(9.58, 3.91, -15.18)
CIE-LCH	lch(9.58, 15.68, 284.45°)
OKLab	oklab(22.19% -0.0022 -0.0429)
OKLCH	oklch(22.19% 0.043 267.1)
XYZ	xyz(1.1318, 1.0725, 2.8362)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A2F #2F2712

analogous

#12282F #121A2F #18122F

triadic

#121A2F #2F121A #1A2F12

tetradic

#121A2F #2F1228 #2F2712 #122F18

square

#121A2F #2F1228 #2F2712 #122F18

split-complementary

#121A2F #2F1812 #282F12

monochromatic

#080C16 #080C16 #121A2F #23325B #344B88

Accessibility & contrast

On white

17.29

#121A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A2F

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A2F	#FFFFFF	#000000	##FFFFFF
##121A2F	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C30

Deuteranopia (green-blind)

#0F192F

Tritanopia (blue-blind)

#061E22

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121a2f;
/* rgb */ color: rgb(18, 26, 47);
/* oklch */ color: oklch(22.2% 0.043 267.1);

Tailwind

colors: {
  custom: {
    50: '#525667',
    500: '#121a2f',
    950: '#000000',
  },
}

SCSS

$custom: #121a2f;
$custom-light: #525667;
$custom-dark: #000000;

JSON

{
  "hex": "#121a2f",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 47
  },
  "hsl": {
    "h": 223.448,
    "s": 44.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22187,
    "c": 0.04291,
    "h": 267.1
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#121A2F

secondary

#675936

accent

#B153D4

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121A2F

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

Preview Lab → · Contrast checker → · Palette generator →