#121C56#121C56

#121C56 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.105 H 269.9°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#121C56
RGB	rgb(18, 28, 86)
HSL	hsl(231, 65%, 20%)
HSV	hsv(231, 79%, 34%)
CMYK	cmyk(79.1%, 67.4%, 0%, 66.3%)
CIE-LAB	lab(13.42, 18.74, -36.38)
CIE-LCH	lch(13.42, 40.93, 297.25°)
OKLab	oklab(26.09% -0.0002 -0.1051)
OKLCH	oklch(26.09% 0.105 269.9)
XYZ	xyz(2.3438, 1.6307, 8.9935)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C56 #564C12

analogous

#123E56 #121C56 #2A1256

triadic

#121C56 #56121C #1C5612

tetradic

#121C56 #56123E #564C12 #12562A

square

#121C56 #56123E #564C12 #12562A

split-complementary

#121C56 #562A12 #3E5612

monochromatic

#050819 #070C23 #121C56 #1D2C89 #273DBB

Accessibility & contrast

On white

15.83

#121C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#121C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C56

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C56	#FFFFFF	#000000	##FFFFFF
##121C56	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#001F55

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121c56;
/* rgb */ color: rgb(18, 28, 86);
/* oklch */ color: oklch(26.1% 0.105 269.9);

Tailwind

colors: {
  custom: {
    50: '#5c5886',
    500: '#121c56',
    950: '#000000',
  },
}

SCSS

$custom: #121c56;
$custom-light: #5c5886;
$custom-dark: #000000;

JSON

{
  "hex": "#121c56",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 86
  },
  "hsl": {
    "h": 231.176,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26094,
    "c": 0.1051,
    "h": 269.9
  },
  "luminance": 0.01631
}

Semantic roles & 50–950 ramp

primary

#121C56

secondary

#8F8235

accent

#D03FE8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121C56

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

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