#121C5F#121C5F

#121C5F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.118 H 269.6°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#121C5F
RGB	rgb(18, 28, 95)
HSL	hsl(232, 68%, 22%)
HSV	hsv(232, 81%, 37%)
CMYK	cmyk(81.1%, 70.5%, 0%, 62.7%)
CIE-LAB	lab(14.32, 22.45, -40.95)
CIE-LCH	lch(14.32, 46.70, 298.73°)
OKLab	oklab(27.03% -0.0007 -0.1185)
OKLCH	oklch(27.03% 0.118 269.6)
XYZ	xyz(2.7296, 1.7850, 11.0249)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C5F #5F5512

analogous

#12435F #121C5F #2F125F

triadic

#121C5F #5F121C #1C5F12

tetradic

#121C5F #5F1243 #5F5512 #125F2F

square

#121C5F #5F1243 #5F5512 #125F2F

split-complementary

#121C5F #5F2F12 #435F12

monochromatic

#05081A #080D2C #121C5F #1C2B92 #253AC6

Accessibility & contrast

On white

15.48

#121C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#121C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C5F

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C5F	#FFFFFF	#000000	##FFFFFF
##121C5F	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002861

Deuteranopia (green-blind)

#00215E

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121c5f;
/* rgb */ color: rgb(18, 28, 95);
/* oklch */ color: oklch(27.0% 0.118 269.6);

Tailwind

colors: {
  custom: {
    50: '#5e588d',
    500: '#121c5f',
    950: '#000000',
  },
}

SCSS

$custom: #121c5f;
$custom-light: #5e588d;
$custom-dark: #000000;

JSON

{
  "hex": "#121c5f",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 95
  },
  "hsl": {
    "h": 232.208,
    "s": 68.142,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27032,
    "c": 0.11847,
    "h": 269.6
  },
  "luminance": 0.01785
}

Semantic roles & 50–950 ramp

primary

#121C5F

secondary

#978B36

accent

#D43DEB

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121C5F

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

Preview Lab → · Contrast checker → · Palette generator →