#121C33#121C33

#121C33 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.0% C 0.047 H 265.1°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#121C33
RGB	rgb(18, 28, 51)
HSL	hsl(222, 48%, 14%)
HSV	hsv(222, 65%, 20%)
CMYK	cmyk(64.7%, 45.1%, 0%, 80%)
CIE-LAB	lab(10.54, 3.99, -16.57)
CIE-LCH	lch(10.54, 17.04, 283.54°)
OKLab	oklab(23.02% -0.004 -0.0469)
OKLCH	oklch(23.02% 0.047 265.1)
XYZ	xyz(1.2620, 1.1980, 3.2961)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C33 #332912

analogous

#122C33 #121C33 #181233

triadic

#121C33 #33121C #1C3312

tetradic

#121C33 #33122C #332912 #123318

square

#121C33 #33122C #332912 #123318

split-complementary

#121C33 #331812 #2C3312

monochromatic

#080C17 #080C17 #121C33 #223560 #324E8D

Accessibility & contrast

On white

16.94

#121C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C33

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C33	#FFFFFF	#000000	##FFFFFF
##121C33	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131E34

Deuteranopia (green-blind)

#0F1B33

Tritanopia (blue-blind)

#032125

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121c33;
/* rgb */ color: rgb(18, 28, 51);
/* oklch */ color: oklch(23.0% 0.047 265.1);

Tailwind

colors: {
  custom: {
    50: '#53576b',
    500: '#121c33',
    950: '#000000',
  },
}

SCSS

$custom: #121c33;
$custom-light: #53576b;
$custom-dark: #000000;

JSON

{
  "hex": "#121c33",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 51
  },
  "hsl": {
    "h": 221.818,
    "s": 47.826,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23015,
    "c": 0.04707,
    "h": 265.1
  },
  "luminance": 0.01198
}

Semantic roles & 50–950 ramp

primary

#121C33

secondary

#6B5B35

accent

#AE50D7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121C33

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

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