#121A4F#121A4F

#121A4F is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.097 H 270.9°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#121A4F
RGB	rgb(18, 26, 79)
HSL	hsl(232, 63%, 19%)
HSV	hsv(232, 77%, 31%)
CMYK	cmyk(77.2%, 67.1%, 0%, 69%)
CIE-LAB	lab(12.17, 17.31, -33.66)
CIE-LCH	lch(12.17, 37.85, 297.22°)
OKLab	oklab(24.96% 0.0016 -0.0971)
OKLCH	oklch(24.96% 0.097 270.9)
XYZ	xyz(2.0297, 1.4317, 7.5650)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A4F #4F4712

analogous

#12394F #121A4F #29124F

triadic

#121A4F #4F121A #1A4F12

tetradic

#121A4F #4F1239 #4F4712 #124F29

square

#121A4F #4F1239 #4F4712 #124F29

split-complementary

#121A4F #4F2912 #394F12

monochromatic

#060819 #070A1D #121A4F #1D2A81 #293BB3

Accessibility & contrast

On white

16.32

#121A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A4F

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A4F	#FFFFFF	#000000	##FFFFFF
##121A4F	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002351

Deuteranopia (green-blind)

#001D4E

Tritanopia (blue-blind)

#002731

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121a4f;
/* rgb */ color: rgb(18, 26, 79);
/* oklch */ color: oklch(25.0% 0.097 270.9);

Tailwind

colors: {
  custom: {
    50: '#5a5681',
    500: '#121a4f',
    950: '#000000',
  },
}

SCSS

$custom: #121a4f;
$custom-light: #5a5681;
$custom-dark: #000000;

JSON

{
  "hex": "#121a4f",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 79
  },
  "hsl": {
    "h": 232.131,
    "s": 62.887,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24963,
    "c": 0.09714,
    "h": 270.9
  },
  "luminance": 0.01432
}

Semantic roles & 50–950 ramp

primary

#121A4F

secondary

#887D35

accent

#D042E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121A4F

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

Preview Lab → · Contrast checker → · Palette generator →