#121554#121554

#121554 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.111 H 272.6°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#121554
RGB	rgb(18, 21, 84)
HSL	hsl(237, 65%, 20%)
HSV	hsv(237, 79%, 33%)
CMYK	cmyk(78.6%, 75%, 0%, 67.1%)
CIE-LAB	lab(11.31, 22.97, -38.48)
CIE-LCH	lch(11.31, 44.82, 300.84°)
OKLab	oklab(24.49% 0.0051 -0.1113)
OKLCH	oklch(24.49% 0.111 272.6)
XYZ	xyz(2.1173, 1.3048, 8.5261)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121554 #545112

analogous

#123654 #121554 #301254

triadic

#121554 #541215 #155412

tetradic

#121554 #541236 #545112 #125430

square

#121554 #541236 #545112 #125430

split-complementary

#121554 #543012 #365412

monochromatic

#050619 #070822 #121554 #1D2286 #282EB9

Accessibility & contrast

On white

16.65

#121554 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121554 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121554

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121554	#FFFFFF	#000000	##FFFFFF
##121554	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002156

Deuteranopia (green-blind)

#001B53

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121554;
/* rgb */ color: rgb(18, 21, 84);
/* oklch */ color: oklch(24.5% 0.111 272.6);

Tailwind

colors: {
  custom: {
    50: '#5c5285',
    500: '#121554',
    950: '#000000',
  },
}

SCSS

$custom: #121554;
$custom-light: #5c5285;
$custom-dark: #000000;

JSON

{
  "hex": "#121554",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 84
  },
  "hsl": {
    "h": 237.273,
    "s": 64.706,
    "l": 20
  },
  "oklch": {
    "l": 0.24493,
    "c": 0.11139,
    "h": 272.6
  },
  "luminance": 0.01305
}

Semantic roles & 50–950 ramp

primary

#121554

secondary

#8D8935

accent

#E040E8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121554

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

Preview Lab → · Contrast checker → · Palette generator →