#121756#121756

#121756 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.112 H 271.8°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#121756
RGB	rgb(18, 23, 86)
HSL	hsl(236, 65%, 20%)
HSV	hsv(236, 79%, 34%)
CMYK	cmyk(79.1%, 73.3%, 0%, 66.3%)
CIE-LAB	lab(12.04, 22.37, -38.63)
CIE-LCH	lch(12.04, 44.64, 300.07°)
OKLab	oklab(25.09% 0.0034 -0.1117)
OKLCH	oklch(25.09% 0.112 271.8)
XYZ	xyz(2.2350, 1.4130, 8.9573)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121756 #565112

analogous

#123956 #121756 #2F1256

triadic

#121756 #561217 #175612

tetradic

#121756 #561239 #565112 #12562F

square

#121756 #561239 #565112 #12562F

split-complementary

#121756 #562F12 #395612

monochromatic

#050719 #070923 #121756 #1D2589 #2732BB

Accessibility & contrast

On white

16.37

#121756 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121756 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121756

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121756	#FFFFFF	#000000	##FFFFFF
##121756	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#001C55

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121756;
/* rgb */ color: rgb(18, 23, 86);
/* oklch */ color: oklch(25.1% 0.112 271.8);

Tailwind

colors: {
  custom: {
    50: '#5c5486',
    500: '#121756',
    950: '#000000',
  },
}

SCSS

$custom: #121756;
$custom-light: #5c5486;
$custom-dark: #000000;

JSON

{
  "hex": "#121756",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 86
  },
  "hsl": {
    "h": 235.588,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.2509,
    "c": 0.11177,
    "h": 271.8
  },
  "luminance": 0.01413
}

Semantic roles & 50–950 ramp

primary

#121756

secondary

#8F8835

accent

#DC3FE8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121756

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

Preview Lab → · Contrast checker → · Palette generator →