#121556#121556

#121556 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.114 H 272.4°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#121556
RGB	rgb(18, 21, 86)
HSL	hsl(237, 65%, 20%)
HSV	hsv(237, 79%, 34%)
CMYK	cmyk(79.1%, 75.6%, 0%, 66.3%)
CIE-LAB	lab(11.53, 23.77, -39.48)
CIE-LCH	lch(11.53, 46.08, 301.05°)
OKLab	oklab(24.72% 0.0048 -0.1142)
OKLCH	oklch(24.72% 0.114 272.4)
XYZ	xyz(2.1968, 1.3366, 8.9445)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121556 #565312

analogous

#123756 #121556 #311256

triadic

#121556 #561215 #155612

tetradic

#121556 #561237 #565312 #125631

square

#121556 #561237 #565312 #125631

split-complementary

#121556 #563112 #375612

monochromatic

#050619 #070923 #121556 #1D2189 #272EBB

Accessibility & contrast

On white

16.57

#121556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121556

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121556	#FFFFFF	#000000	##FFFFFF
##121556	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002258

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121556;
/* rgb */ color: rgb(18, 21, 86);
/* oklch */ color: oklch(24.7% 0.114 272.4);

Tailwind

colors: {
  custom: {
    50: '#5c5286',
    500: '#121556',
    950: '#000000',
  },
}

SCSS

$custom: #121556;
$custom-light: #5c5286;
$custom-dark: #000000;

JSON

{
  "hex": "#121556",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 86
  },
  "hsl": {
    "h": 237.353,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24718,
    "c": 0.1143,
    "h": 272.4
  },
  "luminance": 0.01337
}

Semantic roles & 50–950 ramp

primary

#121556

secondary

#8F8B35

accent

#E13FE8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121556

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

Preview Lab → · Contrast checker → · Palette generator →