#121D6A#121D6A

#121D6A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.133 H 269.0°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#121D6A
RGB	rgb(18, 29, 106)
HSL	hsl(233, 71%, 24%)
HSV	hsv(233, 83%, 42%)
CMYK	cmyk(83%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(15.74, 26.15, -45.88)
CIE-LCH	lch(15.74, 52.81, 299.68°)
OKLab	oklab(28.42% -0.0023 -0.1329)
OKLCH	oklch(28.42% 0.133 269)
XYZ	xyz(3.2894, 2.0476, 13.8547)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D6A #6A5F12

analogous

#12496A #121D6A #33126A

triadic

#121D6A #6A121D #1D6A12

tetradic

#121D6A #6A1249 #6A5F12 #126A33

square

#121D6A #6A1249 #6A5F12 #126A33

split-complementary

#121D6A #6A3312 #496A12

monochromatic

#04071A #090F36 #121D6A #1B2B9E #243AD3

Accessibility & contrast

On white

14.90

#121D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#121D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D6A

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D6A	#FFFFFF	#000000	##FFFFFF
##121D6A	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6C

Deuteranopia (green-blind)

#002369

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121d6a;
/* rgb */ color: rgb(18, 29, 106);
/* oklch */ color: oklch(28.4% 0.133 269.0);

Tailwind

colors: {
  custom: {
    50: '#615995',
    500: '#121d6a',
    950: '#000000',
  },
}

SCSS

$custom: #121d6a;
$custom-light: #615995;
$custom-dark: #000000;

JSON

{
  "hex": "#121d6a",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 232.5,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28416,
    "c": 0.13289,
    "h": 269
  },
  "luminance": 0.02048
}

Semantic roles & 50–950 ramp

primary

#121D6A

secondary

#A29436

accent

#D73AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121D6A

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

Preview Lab → · Contrast checker → · Palette generator →