#121F52#121F52

#121F52 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.095 H 268.3°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#121F52
RGB	rgb(18, 31, 82)
HSL	hsl(228, 64%, 20%)
HSV	hsv(228, 78%, 32%)
CMYK	cmyk(78%, 62.2%, 0%, 67.8%)
CIE-LAB	lab(13.93, 14.81, -32.83)
CIE-LCH	lch(13.93, 36.02, 294.28°)
OKLab	oklab(26.36% -0.0028 -0.0946)
OKLCH	oklch(26.36% 0.095 268.3)
XYZ	xyz(2.2619, 1.7175, 8.1933)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F52 #524512

analogous

#123F52 #121F52 #251252

triadic

#121F52 #52121F #1F5212

tetradic

#121F52 #52123F #524512 #125225

square

#121F52 #52123F #524512 #125225

split-complementary

#121F52 #522512 #3F5212

monochromatic

#060919 #070C20 #121F52 #1D3284 #2845B6

Accessibility & contrast

On white

15.63

#121F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#121F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F52

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F52	#FFFFFF	#000000	##FFFFFF
##121F52	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002754

Deuteranopia (green-blind)

#002151

Tritanopia (blue-blind)

#002C35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121f52;
/* rgb */ color: rgb(18, 31, 82);
/* oklch */ color: oklch(26.4% 0.095 268.3);

Tailwind

colors: {
  custom: {
    50: '#5a5a83',
    500: '#121f52',
    950: '#000000',
  },
}

SCSS

$custom: #121f52;
$custom-light: #5a5a83;
$custom-dark: #000000;

JSON

{
  "hex": "#121f52",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 82
  },
  "hsl": {
    "h": 227.813,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.2636,
    "c": 0.09468,
    "h": 268.3
  },
  "luminance": 0.01718
}

Semantic roles & 50–950 ramp

primary

#121F52

secondary

#8B7935

accent

#C541E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121F52

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

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