#121E4A#121E4A

#121E4A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.083 H 268.4°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#121E4A
RGB	rgb(18, 30, 74)
HSL	hsl(227, 61%, 18%)
HSV	hsv(227, 76%, 29%)
CMYK	cmyk(75.7%, 59.5%, 0%, 71%)
CIE-LAB	lab(12.93, 12.16, -28.98)
CIE-LCH	lch(12.93, 31.42, 292.76°)
OKLab	oklab(25.39% -0.0024 -0.0833)
OKLCH	oklch(25.39% 0.083 268.4)
XYZ	xyz(1.9493, 1.5514, 6.6740)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E4A #4A3E12

analogous

#123A4A #121E4A #22124A

triadic

#121E4A #4A121E #1E4A12

tetradic

#121E4A #4A123A #4A3E12 #124A22

square

#121E4A #4A123A #4A3E12 #124A22

split-complementary

#121E4A #4A2212 #3A4A12

monochromatic

#060A19 #060A19 #121E4A #1E327B #2A46AC

Accessibility & contrast

On white

16.03

#121E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E4A

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E4A	#FFFFFF	#000000	##FFFFFF
##121E4A	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02244C

Deuteranopia (green-blind)

#001F49

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121e4a;
/* rgb */ color: rgb(18, 30, 74);
/* oklch */ color: oklch(25.4% 0.083 268.4);

Tailwind

colors: {
  custom: {
    50: '#58597d',
    500: '#121e4a',
    950: '#000000',
  },
}

SCSS

$custom: #121e4a;
$custom-light: #58597d;
$custom-dark: #000000;

JSON

{
  "hex": "#121e4a",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 74
  },
  "hsl": {
    "h": 227.143,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25393,
    "c": 0.08334,
    "h": 268.4
  },
  "luminance": 0.01552
}

Semantic roles & 50–950 ramp

primary

#121E4A

secondary

#837235

accent

#C244E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121E4A

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

Preview Lab → · Contrast checker → · Palette generator →