#121C65#121C65

#121C65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.127 H 269.4°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#121C65
RGB	rgb(18, 28, 101)
HSL	hsl(233, 70%, 23%)
HSV	hsv(233, 82%, 40%)
CMYK	cmyk(82.2%, 72.3%, 0%, 60.4%)
CIE-LAB	lab(14.94, 24.86, -43.89)
CIE-LCH	lch(14.94, 50.44, 299.52°)
OKLab	oklab(27.68% -0.0013 -0.1271)
OKLCH	oklch(27.68% 0.127 269.4)
XYZ	xyz(3.0129, 1.8984, 12.5170)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C65 #655B12

analogous

#124565 #121C65 #311265

triadic

#121C65 #65121C #1C6512

tetradic

#121C65 #651245 #655B12 #126531

square

#121C65 #651245 #655B12 #126531

split-complementary

#121C65 #653112 #456512

monochromatic

#05071A #090E31 #121C65 #1B2A99 #2539CD

Accessibility & contrast

On white

15.22

#121C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#121C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C65

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C65	#FFFFFF	#000000	##FFFFFF
##121C65	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A67

Deuteranopia (green-blind)

#002264

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #121c65;
/* rgb */ color: rgb(18, 28, 101);
/* oklch */ color: oklch(27.7% 0.127 269.4);

Tailwind

colors: {
  custom: {
    50: '#605892',
    500: '#121c65',
    950: '#000000',
  },
}

SCSS

$custom: #121c65;
$custom-light: #605892;
$custom-dark: #000000;

JSON

{
  "hex": "#121c65",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 101
  },
  "hsl": {
    "h": 232.771,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27681,
    "c": 0.12709,
    "h": 269.4
  },
  "luminance": 0.01899
}

Semantic roles & 50–950 ramp

primary

#121C65

secondary

#9D9036

accent

#D73BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121C65

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

Preview Lab → · Contrast checker → · Palette generator →