#121A6F#121A6F

#121A6F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.143 H 269.4°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#121A6F
RGB	rgb(18, 26, 111)
HSL	hsl(235, 72%, 25%)
HSV	hsv(235, 84%, 44%)
CMYK	cmyk(83.8%, 76.6%, 0%, 56.5%)
CIE-LAB	lab(15.56, 30.09, -49.42)
CIE-LCH	lch(15.56, 57.86, 301.33°)
OKLab	oklab(28.46% -0.0015 -0.1432)
OKLCH	oklch(28.46% 0.143 269.4)
XYZ	xyz(3.4871, 2.0147, 15.2409)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A6F #6F6712

analogous

#12486F #121A6F #39126F

triadic

#121A6F #6F121A #1A6F12

tetradic

#121A6F #6F1248 #6F6712 #126F39

square

#121A6F #6F1248 #6F6712 #126F39

split-complementary

#121A6F #6F3912 #486F12

monochromatic

#04061A #090E3A #121A6F #1B26A4 #2333D8

Accessibility & contrast

On white

14.97

#121A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#121A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A6F

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A6F	#FFFFFF	#000000	##FFFFFF
##121A6F	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121a6f;
/* rgb */ color: rgb(18, 26, 111);
/* oklch */ color: oklch(28.5% 0.143 269.4);

Tailwind

colors: {
  custom: {
    50: '#635799',
    500: '#121a6f',
    950: '#000000',
  },
}

SCSS

$custom: #121a6f;
$custom-light: #635799;
$custom-dark: #000000;

JSON

{
  "hex": "#121a6f",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 111
  },
  "hsl": {
    "h": 234.839,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28459,
    "c": 0.14319,
    "h": 269.4
  },
  "luminance": 0.02015
}

Semantic roles & 50–950 ramp

primary

#121A6F

secondary

#A69D37

accent

#DF39EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #121A6F

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

Preview Lab → · Contrast checker → · Palette generator →