#120C57#120C57

#120C57 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.4% C 0.126 H 274.3°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#120C57
RGB	rgb(18, 12, 87)
HSL	hsl(245, 76%, 19%)
HSV	hsv(245, 86%, 34%)
CMYK	cmyk(79.3%, 86.2%, 0%, 65.9%)
CIE-LAB	lab(9.64, 29.81, -43.28)
CIE-LCH	lch(9.64, 52.56, 304.56°)
OKLab	oklab(23.41% 0.0093 -0.1252)
OKLCH	oklch(23.41% 0.126 274.3)
XYZ	xyz(2.1007, 1.0795, 9.1126)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#120C57 #51570C

analogous

#0C2C57 #120C57 #380C57

triadic

#120C57 #57120C #0C5712

tetradic

#120C57 #570C2C #51570C #0C5738

square

#120C57 #570C2C #51570C #0C5738

split-complementary

#120C57 #57380C #2C570C

monochromatic

#06041B #070521 #120C57 #1D138D #281BC3

Accessibility & contrast

On white

17.27

#120C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#120C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #120C57

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##120C57	#FFFFFF	#000000	##FFFFFF
##120C57	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E59

Deuteranopia (green-blind)

#001756

Tritanopia (blue-blind)

#002332

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #120c57;
/* rgb */ color: rgb(18, 12, 87);
/* oklch */ color: oklch(23.4% 0.126 274.3);

Tailwind

colors: {
  custom: {
    50: '#5e4d87',
    500: '#120c57',
    950: '#000000',
  },
}

SCSS

$custom: #120c57;
$custom-light: #5e4d87;
$custom-dark: #000000;

JSON

{
  "hex": "#120c57",
  "rgb": {
    "r": 18,
    "g": 12,
    "b": 87
  },
  "hsl": {
    "h": 244.8,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.23412,
    "c": 0.12554,
    "h": 274.3
  },
  "luminance": 0.0108
}

Semantic roles & 50–950 ramp

primary

#120C57

secondary

#8A922D

accent

#F235E3

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05010B

muted

#79777C

Preview Lab

Preview with #120C57

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

Preview Lab → · Contrast checker → · Palette generator →