#121D48#121D48

#121D48 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.082 H 269.0°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#121D48
RGB	rgb(18, 29, 72)
HSL	hsl(228, 60%, 18%)
HSV	hsv(228, 75%, 28%)
CMYK	cmyk(75%, 59.7%, 0%, 71.8%)
CIE-LAB	lab(12.45, 12.07, -28.37)
CIE-LCH	lch(12.45, 30.84, 293.05°)
OKLab	oklab(24.98% -0.0015 -0.0815)
OKLCH	oklch(24.98% 0.082 269)
XYZ	xyz(1.8581, 1.4750, 6.3164)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D48 #483D12

analogous

#123848 #121D48 #221248

triadic

#121D48 #48121D #1D4812

tetradic

#121D48 #481238 #483D12 #124822

square

#121D48 #481238 #483D12 #124822

split-complementary

#121D48 #482212 #384812

monochromatic

#060A18 #060A18 #121D48 #1E3179 #2A44AA

Accessibility & contrast

On white

16.22

#121D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#121D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D48

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D48	#FFFFFF	#000000	##FFFFFF
##121D48	1.00	16.22	1.30	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02234A

Deuteranopia (green-blind)

#001E47

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121d48;
/* rgb */ color: rgb(18, 29, 72);
/* oklch */ color: oklch(25.0% 0.082 269.0);

Tailwind

colors: {
  custom: {
    50: '#58587b',
    500: '#121d48',
    950: '#000000',
  },
}

SCSS

$custom: #121d48;
$custom-light: #58587b;
$custom-dark: #000000;

JSON

{
  "hex": "#121d48",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 72
  },
  "hsl": {
    "h": 227.778,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24976,
    "c": 0.08156,
    "h": 269
  },
  "luminance": 0.01475
}

Semantic roles & 50–950 ramp

primary

#121D48

secondary

#817235

accent

#C345E3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121D48

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

Preview Lab → · Contrast checker → · Palette generator →