#121C6A#121C6A

#121C6A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.134 H 269.2°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#121C6A
RGB	rgb(18, 28, 106)
HSL	hsl(233, 71%, 24%)
HSV	hsv(233, 83%, 42%)
CMYK	cmyk(83%, 73.6%, 0%, 58.4%)
CIE-LAB	lab(15.48, 26.84, -46.29)
CIE-LCH	lch(15.48, 53.51, 300.10°)
OKLab	oklab(28.23% -0.0018 -0.1341)
OKLCH	oklch(28.23% 0.134 269.2)
XYZ	xyz(3.2653, 1.9993, 13.8467)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C6A #6A6012

analogous

#12486A #121C6A #34126A

triadic

#121C6A #6A121C #1C6A12

tetradic

#121C6A #6A1248 #6A6012 #126A34

square

#121C6A #6A1248 #6A6012 #126A34

split-complementary

#121C6A #6A3412 #486A12

monochromatic

#04071A #090E36 #121C6A #1B2A9E #2438D3

Accessibility & contrast

On white

15.00

#121C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#121C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C6A

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C6A	#FFFFFF	#000000	##FFFFFF
##121C6A	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6C

Deuteranopia (green-blind)

#002269

Tritanopia (blue-blind)

#003240

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121c6a;
/* rgb */ color: rgb(18, 28, 106);
/* oklch */ color: oklch(28.2% 0.134 269.2);

Tailwind

colors: {
  custom: {
    50: '#625896',
    500: '#121c6a',
    950: '#000000',
  },
}

SCSS

$custom: #121c6a;
$custom-light: #625896;
$custom-dark: #000000;

JSON

{
  "hex": "#121c6a",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 106
  },
  "hsl": {
    "h": 233.182,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28234,
    "c": 0.13408,
    "h": 269.2
  },
  "luminance": 0.02
}

Semantic roles & 50–950 ramp

primary

#121C6A

secondary

#A29536

accent

#D93AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121C6A

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

Preview Lab → · Contrast checker → · Palette generator →