#121D66#121D66

#121D66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.0% C 0.127 H 269.1°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#121D66
RGB	rgb(18, 29, 102)
HSL	hsl(232, 70%, 24%)
HSV	hsv(232, 82%, 40%)
CMYK	cmyk(82.4%, 71.6%, 0%, 60%)
CIE-LAB	lab(15.31, 24.56, -43.95)
CIE-LCH	lch(15.31, 50.35, 299.20°)
OKLab	oklab(27.98% -0.0019 -0.1272)
OKLCH	oklch(27.98% 0.127 269.1)
XYZ	xyz(3.0863, 1.9663, 12.7847)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D66 #665B12

analogous

#124766 #121D66 #311266

triadic

#121D66 #66121D #1D6612

tetradic

#121D66 #661247 #665B12 #126631

square

#121D66 #661247 #665B12 #126631

split-complementary

#121D66 #663112 #476612

monochromatic

#05071A #090E32 #121D66 #1B2C9A #243BCE

Accessibility & contrast

On white

15.07

#121D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#121D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D66

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D66	#FFFFFF	#000000	##FFFFFF
##121D66	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #121d66;
/* rgb */ color: rgb(18, 29, 102);
/* oklch */ color: oklch(28.0% 0.127 269.1);

Tailwind

colors: {
  custom: {
    50: '#605992',
    500: '#121d66',
    950: '#000000',
  },
}

SCSS

$custom: #121d66;
$custom-light: #605992;
$custom-dark: #000000;

JSON

{
  "hex": "#121d66",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 232.143,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27978,
    "c": 0.12726,
    "h": 269.1
  },
  "luminance": 0.01967
}

Semantic roles & 50–950 ramp

primary

#121D66

secondary

#9E9036

accent

#D63BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121D66

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

Preview Lab → · Contrast checker → · Palette generator →