#120F57#120F57

#120F57 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 23.8% C 0.123 H 273.7°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#120F57
RGB	rgb(18, 15, 87)
HSL	hsl(243, 71%, 20%)
HSV	hsv(243, 83%, 34%)
CMYK	cmyk(79.3%, 82.8%, 0%, 65.9%)
CIE-LAB	lab(10.24, 28.06, -42.28)
CIE-LCH	lch(10.24, 50.74, 303.58°)
OKLab	oklab(23.84% 0.008 -0.1223)
OKLCH	oklch(23.84% 0.123 273.7)
XYZ	xyz(2.1400, 1.1581, 9.1257)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#120F57 #54570F

analogous

#0F3057 #120F57 #360F57

triadic

#120F57 #57120F #0F5712

tetradic

#120F57 #570F30 #54570F #0F5736

square

#120F57 #570F30 #54570F #0F5736

split-complementary

#120F57 #57360F #30570F

monochromatic

#05051A #070623 #120F57 #1D188B #2821BF

Accessibility & contrast

On white

17.05

#120F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#120F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #120F57

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##120F57	#FFFFFF	#000000	##FFFFFF
##120F57	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F59

Deuteranopia (green-blind)

#001956

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #120f57;
/* rgb */ color: rgb(18, 15, 87);
/* oklch */ color: oklch(23.8% 0.123 273.7);

Tailwind

colors: {
  custom: {
    50: '#5d4f87',
    500: '#120f57',
    950: '#000000',
  },
}

SCSS

$custom: #120f57;
$custom-light: #5d4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#120f57",
  "rgb": {
    "r": 18,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 242.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.23838,
    "c": 0.12256,
    "h": 273.7
  },
  "luminance": 0.01158
}

Semantic roles & 50–950 ramp

primary

#120F57

secondary

#8D9131

accent

#ED3AE6

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #120F57

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

Preview Lab → · Contrast checker → · Palette generator →