#121C48#121C48

#121C48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.083 H 269.7°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#121C48
RGB	rgb(18, 28, 72)
HSL	hsl(229, 60%, 18%)
HSV	hsv(229, 75%, 28%)
CMYK	cmyk(75%, 61.1%, 0%, 71.8%)
CIE-LAB	lab(12.13, 12.84, -28.88)
CIE-LCH	lch(12.13, 31.61, 293.96°)
OKLab	oklab(24.74% -0.0004 -0.0831)
OKLCH	oklch(24.74% 0.083 269.7)
XYZ	xyz(1.8340, 1.4268, 6.3084)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C48 #483E12

analogous

#123748 #121C48 #231248

triadic

#121C48 #48121C #1C4812

tetradic

#121C48 #481237 #483E12 #124823

square

#121C48 #481237 #483E12 #124823

split-complementary

#121C48 #482312 #374812

monochromatic

#060A18 #060A18 #121C48 #1E2F79 #2A42AA

Accessibility & contrast

On white

16.34

#121C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C48

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C48	#FFFFFF	#000000	##FFFFFF
##121C48	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224A

Deuteranopia (green-blind)

#001D47

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121c48;
/* rgb */ color: rgb(18, 28, 72);
/* oklch */ color: oklch(24.7% 0.083 269.7);

Tailwind

colors: {
  custom: {
    50: '#58577b',
    500: '#121c48',
    950: '#000000',
  },
}

SCSS

$custom: #121c48;
$custom-light: #58577b;
$custom-dark: #000000;

JSON

{
  "hex": "#121c48",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 228.889,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.2474,
    "c": 0.08306,
    "h": 269.7
  },
  "luminance": 0.01427
}

Semantic roles & 50–950 ramp

primary

#121C48

secondary

#817335

accent

#C645E3

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121C48

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

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