#121373#121373

#121373 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.155 H 270.0°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#121373
RGB	rgb(18, 19, 115)
HSL	hsl(239, 73%, 26%)
HSV	hsv(239, 84%, 45%)
CMYK	cmyk(84.3%, 83.5%, 0%, 54.9%)
CIE-LAB	lab(14.58, 35.74, -53.65)
CIE-LCH	lch(14.58, 64.46, 303.67°)
OKLab	oklab(27.91% 0.0001 -0.1554)
OKLCH	oklch(27.91% 0.155 270)
XYZ	xyz(3.5758, 1.8317, 16.3814)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121373 #737212

analogous

#124373 #121373 #411273

triadic

#121373 #731213 #137312

tetradic

#121373 #731243 #737212 #127341

square

#121373 #731243 #737212 #127341

split-complementary

#121373 #734112 #437312

monochromatic

#04041A #0A0A3E #121373 #1A1CA8 #2325DD

Accessibility & contrast

On white

15.37

#121373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121373

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121373	#FFFFFF	#000000	##FFFFFF
##121373	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002071

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121373;
/* rgb */ color: rgb(18, 19, 115);
/* oklch */ color: oklch(27.9% 0.155 270.0);

Tailwind

colors: {
  custom: {
    50: '#65539c',
    500: '#121373',
    950: '#000000',
  },
}

SCSS

$custom: #121373;
$custom-light: #65539c;
$custom-dark: #000000;

JSON

{
  "hex": "#121373",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 115
  },
  "hsl": {
    "h": 239.381,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.27905,
    "c": 0.15536,
    "h": 270
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#121373

secondary

#AAA937

accent

#EE38F0

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #121373

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

Preview Lab → · Contrast checker → · Palette generator →