#120F5B#120F5B

#120F5B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.128 H 273.1°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#120F5B
RGB	rgb(18, 15, 91)
HSL	hsl(242, 72%, 21%)
HSV	hsv(242, 84%, 36%)
CMYK	cmyk(80.2%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(10.74, 29.52, -44.16)
CIE-LCH	lch(10.74, 53.12, 303.76°)
OKLab	oklab(24.33% 0.007 -0.1278)
OKLCH	oklch(24.33% 0.128 273.1)
XYZ	xyz(2.3080, 1.2253, 10.0104)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#120F5B #585B0F

analogous

#0F325B #120F5B #380F5B

triadic

#120F5B #5B120F #0F5B12

tetradic

#120F5B #5B0F32 #585B0F #0F5B38

square

#120F5B #5B0F32 #585B0F #0F5B38

split-complementary

#120F5B #5B380F #325B0F

monochromatic

#05041A #080626 #120F5B #1C1890 #2720C4

Accessibility & contrast

On white

16.86

#120F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#120F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #120F5B

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##120F5B	#FFFFFF	#000000	##FFFFFF
##120F5B	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#00195A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #120f5b;
/* rgb */ color: rgb(18, 15, 91);
/* oklch */ color: oklch(24.3% 0.128 273.1);

Tailwind

colors: {
  custom: {
    50: '#5f4f8a',
    500: '#120f5b',
    950: '#000000',
  },
}

SCSS

$custom: #120f5b;
$custom-light: #5f4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#120f5b",
  "rgb": {
    "r": 18,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 242.368,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24334,
    "c": 0.12796,
    "h": 273.1
  },
  "luminance": 0.01226
}

Semantic roles & 50–950 ramp

primary

#120F5B

secondary

#919531

accent

#EE39E7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #120F5B

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

Preview Lab → · Contrast checker → · Palette generator →