#121C52#121C52

#121C52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.099 H 269.9°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#121C52
RGB	rgb(18, 28, 82)
HSL	hsl(231, 64%, 20%)
HSV	hsv(231, 78%, 32%)
CMYK	cmyk(78%, 65.9%, 0%, 67.8%)
CIE-LAB	lab(13.03, 17.07, -34.29)
CIE-LCH	lch(13.03, 38.30, 296.46°)
OKLab	oklab(25.69% -0.0002 -0.099)
OKLCH	oklch(25.69% 0.099 269.9)
XYZ	xyz(2.1872, 1.5681, 8.1684)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C52 #524812

analogous

#123C52 #121C52 #281252

triadic

#121C52 #52121C #1C5212

tetradic

#121C52 #52123C #524812 #125228

square

#121C52 #52123C #524812 #125228

split-complementary

#121C52 #522812 #3C5212

monochromatic

#060919 #070B20 #121C52 #1D2D84 #283EB6

Accessibility & contrast

On white

15.99

#121C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C52

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C52	#FFFFFF	#000000	##FFFFFF
##121C52	1.00	15.99	1.31	15.99
#FFFFFF	15.99	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#001F51

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121c52;
/* rgb */ color: rgb(18, 28, 82);
/* oklch */ color: oklch(25.7% 0.099 269.9);

Tailwind

colors: {
  custom: {
    50: '#5b5783',
    500: '#121c52',
    950: '#000000',
  },
}

SCSS

$custom: #121c52;
$custom-light: #5b5783;
$custom-dark: #000000;

JSON

{
  "hex": "#121c52",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 82
  },
  "hsl": {
    "h": 230.625,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25693,
    "c": 0.09896,
    "h": 269.9
  },
  "luminance": 0.01568
}

Semantic roles & 50–950 ramp

primary

#121C52

secondary

#8B7D35

accent

#CD41E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121C52

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

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