#121C49#121C49

#121C49 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.085 H 269.7°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#121C49
RGB	rgb(18, 28, 73)
HSL	hsl(229, 60%, 18%)
HSV	hsv(229, 75%, 29%)
CMYK	cmyk(75.3%, 61.6%, 0%, 71.4%)
CIE-LAB	lab(12.22, 13.26, -29.43)
CIE-LCH	lch(12.22, 32.28, 294.25°)
OKLab	oklab(24.83% -0.0004 -0.0847)
OKLCH	oklch(24.83% 0.085 269.7)
XYZ	xyz(1.8669, 1.4400, 6.4816)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C49 #493F12

analogous

#123749 #121C49 #231249

triadic

#121C49 #49121C #1C4912

tetradic

#121C49 #491237 #493F12 #124923

square

#121C49 #491237 #493F12 #124923

split-complementary

#121C49 #492312 #374912

monochromatic

#060919 #060919 #121C49 #1E2F7A #2A42AB

Accessibility & contrast

On white

16.30

#121C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C49

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C49	#FFFFFF	#000000	##FFFFFF
##121C49	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234B

Deuteranopia (green-blind)

#001E48

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121c49;
/* rgb */ color: rgb(18, 28, 73);
/* oklch */ color: oklch(24.8% 0.085 269.7);

Tailwind

colors: {
  custom: {
    50: '#58577c',
    500: '#121c49',
    950: '#000000',
  },
}

SCSS

$custom: #121c49;
$custom-light: #58577c;
$custom-dark: #000000;

JSON

{
  "hex": "#121c49",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 73
  },
  "hsl": {
    "h": 229.091,
    "s": 60.44,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24832,
    "c": 0.08469,
    "h": 269.7
  },
  "luminance": 0.0144
}

Semantic roles & 50–950 ramp

primary

#121C49

secondary

#827435

accent

#C744E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121C49

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

Preview Lab → · Contrast checker → · Palette generator →