#121453#121453

#121453 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.111 H 273.0°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#121453
RGB	rgb(18, 20, 83)
HSL	hsl(238, 64%, 20%)
HSV	hsv(238, 78%, 33%)
CMYK	cmyk(78.3%, 75.9%, 0%, 67.5%)
CIE-LAB	lab(10.94, 23.28, -38.40)
CIE-LCH	lch(10.94, 44.90, 301.22°)
OKLab	oklab(24.2% 0.0059 -0.111)
OKLCH	oklch(24.2% 0.111 273)
XYZ	xyz(2.0604, 1.2532, 8.3152)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121453 #535112

analogous

#123553 #121453 #311253

triadic

#121453 #531214 #145312

tetradic

#121453 #531235 #535112 #125331

square

#121453 #531235 #535112 #125331

split-complementary

#121453 #533112 #355312

monochromatic

#050619 #070821 #121453 #1D2085 #282CB8

Accessibility & contrast

On white

16.79

#121453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121453

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121453	#FFFFFF	#000000	##FFFFFF
##121453	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002055

Deuteranopia (green-blind)

#001A52

Tritanopia (blue-blind)

#002531

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121453;
/* rgb */ color: rgb(18, 20, 83);
/* oklch */ color: oklch(24.2% 0.111 273.0);

Tailwind

colors: {
  custom: {
    50: '#5c5284',
    500: '#121453',
    950: '#000000',
  },
}

SCSS

$custom: #121453;
$custom-light: #5c5284;
$custom-dark: #000000;

JSON

{
  "hex": "#121453",
  "rgb": {
    "r": 18,
    "g": 20,
    "b": 83
  },
  "hsl": {
    "h": 238.154,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24196,
    "c": 0.1112,
    "h": 273
  },
  "luminance": 0.01253
}

Semantic roles & 50–950 ramp

primary

#121453

secondary

#8C8935

accent

#E240E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121453

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

Preview Lab → · Contrast checker → · Palette generator →