#121A4A#121A4A

#121A4A is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.089 H 271.0°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#121A4A
RGB	rgb(18, 26, 74)
HSL	hsl(231, 61%, 18%)
HSV	hsv(231, 76%, 29%)
CMYK	cmyk(75.7%, 64.9%, 0%, 71%)
CIE-LAB	lab(11.70, 15.21, -30.97)
CIE-LCH	lch(11.70, 34.51, 296.16°)
OKLab	oklab(24.47% 0.0016 -0.0892)
OKLCH	oklch(24.47% 0.089 271)
XYZ	xyz(1.8545, 1.3616, 6.6423)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A4A #4A4212

analogous

#12364A #121A4A #26124A

triadic

#121A4A #4A121A #1A4A12

tetradic

#121A4A #4A1236 #4A4212 #124A26

square

#121A4A #4A1236 #4A4212 #124A26

split-complementary

#121A4A #4A2612 #364A12

monochromatic

#060919 #060919 #121A4A #1E2B7B #2A3DAC

Accessibility & contrast

On white

16.50

#121A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A4A

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A4A	#FFFFFF	#000000	##FFFFFF
##121A4A	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#001C49

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121a4a;
/* rgb */ color: rgb(18, 26, 74);
/* oklch */ color: oklch(24.5% 0.089 271.0);

Tailwind

colors: {
  custom: {
    50: '#58567d',
    500: '#121a4a',
    950: '#000000',
  },
}

SCSS

$custom: #121a4a;
$custom-light: #58567d;
$custom-dark: #000000;

JSON

{
  "hex": "#121a4a",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 74
  },
  "hsl": {
    "h": 231.429,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.2447,
    "c": 0.08926,
    "h": 271
  },
  "luminance": 0.01362
}

Semantic roles & 50–950 ramp

primary

#121A4A

secondary

#837835

accent

#CD44E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121A4A

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

Preview Lab → · Contrast checker → · Palette generator →