#121B72#121B72

#121B72 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.146 H 269.1°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#121B72
RGB	rgb(18, 27, 114)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 84%, 45%)
CMYK	cmyk(84.2%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(16.14, 30.58, -50.42)
CIE-LCH	lch(16.14, 58.97, 301.24°)
OKLab	oklab(28.97% -0.0024 -0.1461)
OKLCH	oklch(28.97% 0.146 269.1)
XYZ	xyz(3.6776, 2.1269, 16.1330)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B72 #726912

analogous

#124B72 #121B72 #391272

triadic

#121B72 #72121B #1B7212

tetradic

#121B72 #72124B #726912 #127239

square

#121B72 #72124B #726912 #127239

split-complementary

#121B72 #723912 #4B7212

monochromatic

#04061A #0A0E3D #121B72 #1A28A7 #2334DC

Accessibility & contrast

On white

14.73

#121B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#121B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B72

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B72	#FFFFFF	#000000	##FFFFFF
##121B72	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D75

Deuteranopia (green-blind)

#002370

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121b72;
/* rgb */ color: rgb(18, 27, 114);
/* oklch */ color: oklch(29.0% 0.146 269.1);

Tailwind

colors: {
  custom: {
    50: '#64589c',
    500: '#121b72',
    950: '#000000',
  },
}

SCSS

$custom: #121b72;
$custom-light: #64589c;
$custom-dark: #000000;

JSON

{
  "hex": "#121b72",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 234.375,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28973,
    "c": 0.1461,
    "h": 269.1
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary

#121B72

secondary

#A99E37

accent

#DE38EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #121B72

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

Preview Lab → · Contrast checker → · Palette generator →