#121C47#121C47

#121C47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.081 H 269.6°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#121C47
RGB	rgb(18, 28, 71)
HSL	hsl(229, 60%, 17%)
HSV	hsv(229, 75%, 28%)
CMYK	cmyk(74.6%, 60.6%, 0%, 72.2%)
CIE-LAB	lab(12.05, 12.41, -28.32)
CIE-LCH	lch(12.05, 30.92, 293.66°)
OKLab	oklab(24.65% -0.0005 -0.0814)
OKLCH	oklch(24.65% 0.081 269.6)
XYZ	xyz(1.8017, 1.4139, 6.1380)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C47 #473D12

analogous

#123747 #121C47 #221247

triadic

#121C47 #47121C #1C4712

tetradic

#121C47 #471237 #473D12 #124722

square

#121C47 #471237 #473D12 #124722

split-complementary

#121C47 #472212 #374712

monochromatic

#060A18 #060A18 #121C47 #1E2F78 #2B43A9

Accessibility & contrast

On white

16.37

#121C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C47

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C47	#FFFFFF	#000000	##FFFFFF
##121C47	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012248

Deuteranopia (green-blind)

#001D46

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121c47;
/* rgb */ color: rgb(18, 28, 71);
/* oklch */ color: oklch(24.6% 0.081 269.6);

Tailwind

colors: {
  custom: {
    50: '#57577b',
    500: '#121c47',
    950: '#000000',
  },
}

SCSS

$custom: #121c47;
$custom-light: #57577b;
$custom-dark: #000000;

JSON

{
  "hex": "#121c47",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 71
  },
  "hsl": {
    "h": 228.679,
    "s": 59.551,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24648,
    "c": 0.08143,
    "h": 269.6
  },
  "luminance": 0.01414
}

Semantic roles & 50–950 ramp

primary

#121C47

secondary

#807235

accent

#C545E3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121C47

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

Preview Lab → · Contrast checker → · Palette generator →