#121356#121356

#121356 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.117 H 272.9°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#121356
RGB	rgb(18, 19, 86)
HSL	hsl(239, 65%, 20%)
HSV	hsv(239, 79%, 34%)
CMYK	cmyk(79.1%, 77.9%, 0%, 66.3%)
CIE-LAB	lab(11.04, 25.13, -40.29)
CIE-LCH	lch(11.04, 47.48, 301.95°)
OKLab	oklab(24.36% 0.006 -0.1166)
OKLCH	oklch(24.36% 0.117 272.9)
XYZ	xyz(2.1615, 1.2660, 8.9327)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121356 #565512

analogous

#123556 #121356 #331256

triadic

#121356 #561213 #135612

tetradic

#121356 #561235 #565512 #125633

square

#121356 #561235 #565512 #125633

split-complementary

#121356 #563312 #355612

monochromatic

#050619 #070823 #121356 #1D1E89 #2729BB

Accessibility & contrast

On white

16.76

#121356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121356

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121356	#FFFFFF	#000000	##FFFFFF
##121356	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002158

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121356;
/* rgb */ color: rgb(18, 19, 86);
/* oklch */ color: oklch(24.4% 0.117 272.9);

Tailwind

colors: {
  custom: {
    50: '#5d5186',
    500: '#121356',
    950: '#000000',
  },
}

SCSS

$custom: #121356;
$custom-light: #5d5186;
$custom-dark: #000000;

JSON

{
  "hex": "#121356",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 86
  },
  "hsl": {
    "h": 239.118,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24364,
    "c": 0.11671,
    "h": 272.9
  },
  "luminance": 0.01266
}

Semantic roles & 50–950 ramp

primary

#121356

secondary

#8F8D35

accent

#E63FE8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121356

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

Preview Lab → · Contrast checker → · Palette generator →