#121E4F#121E4F

#121E4F is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.091 H 268.7°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#121E4F
RGB	rgb(18, 30, 79)
HSL	hsl(228, 63%, 19%)
HSV	hsv(228, 77%, 31%)
CMYK	cmyk(77.2%, 62%, 0%, 69%)
CIE-LAB	lab(13.36, 14.29, -31.71)
CIE-LCH	lch(13.36, 34.79, 294.26°)
OKLab	oklab(25.85% -0.002 -0.0914)
OKLCH	oklch(25.85% 0.091 268.7)
XYZ	xyz(2.1245, 1.6214, 7.5966)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E4F #4F4312

analogous

#123D4F #121E4F #25124F

triadic

#121E4F #4F121E #1E4F12

tetradic

#121E4F #4F123D #4F4312 #124F25

square

#121E4F #4F123D #4F4312 #124F25

split-complementary

#121E4F #4F2512 #3D4F12

monochromatic

#060919 #070B1D #121E4F #1D3181 #2944B3

Accessibility & contrast

On white

15.86

#121E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E4F

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E4F	#FFFFFF	#000000	##FFFFFF
##121E4F	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002551

Deuteranopia (green-blind)

#00204E

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121e4f;
/* rgb */ color: rgb(18, 30, 79);
/* oklch */ color: oklch(25.9% 0.091 268.7);

Tailwind

colors: {
  custom: {
    50: '#595981',
    500: '#121e4f',
    950: '#000000',
  },
}

SCSS

$custom: #121e4f;
$custom-light: #595981;
$custom-dark: #000000;

JSON

{
  "hex": "#121e4f",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 79
  },
  "hsl": {
    "h": 228.197,
    "s": 62.887,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25851,
    "c": 0.09138,
    "h": 268.7
  },
  "luminance": 0.01622
}

Semantic roles & 50–950 ramp

primary

#121E4F

secondary

#887835

accent

#C642E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121E4F

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

Preview Lab → · Contrast checker → · Palette generator →