#121155#121155

#121155 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.118 H 273.6°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#121155
RGB	rgb(18, 17, 85)
HSL	hsl(241, 67%, 20%)
HSV	hsv(241, 80%, 33%)
CMYK	cmyk(78.8%, 80%, 0%, 66.7%)
CIE-LAB	lab(10.45, 26.06, -40.58)
CIE-LCH	lch(10.45, 48.23, 302.71°)
OKLab	oklab(23.91% 0.0074 -0.1174)
OKLCH	oklch(23.91% 0.118 273.6)
XYZ	xyz(2.0890, 1.1852, 8.7112)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121155 #545511

analogous

#113255 #121155 #341155

triadic

#121155 #551211 #115512

tetradic

#121155 #551132 #545511 #115534

square

#121155 #551132 #545511 #115534

split-complementary

#121155 #553411 #325511

monochromatic

#05051A #070722 #121155 #1D1B88 #2825BB

Accessibility & contrast

On white

16.98

#121155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121155

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121155	#FFFFFF	#000000	##FFFFFF
##121155	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001954

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121155;
/* rgb */ color: rgb(18, 17, 85);
/* oklch */ color: oklch(23.9% 0.118 273.6);

Tailwind

colors: {
  custom: {
    50: '#5d5086',
    500: '#121155',
    950: '#000000',
  },
}

SCSS

$custom: #121155;
$custom-light: #5d5086;
$custom-dark: #000000;

JSON

{
  "hex": "#121155",
  "rgb": {
    "r": 18,
    "g": 17,
    "b": 85
  },
  "hsl": {
    "h": 240.882,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.2391,
    "c": 0.11762,
    "h": 273.6
  },
  "luminance": 0.01185
}

Semantic roles & 50–950 ramp

primary

#121155

secondary

#8D8E34

accent

#EA3EE7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121155

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

Preview Lab → · Contrast checker → · Palette generator →