#121548#121548

#121548 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.093 H 273.9°. Best body text is #FFFFFF at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#121548
RGB	rgb(18, 21, 72)
HSL	hsl(237, 60%, 18%)
HSV	hsv(237, 75%, 28%)
CMYK	cmyk(75%, 70.8%, 0%, 71.8%)
CIE-LAB	lab(10.05, 18.13, -32.27)
CIE-LCH	lch(10.05, 37.02, 299.33°)
OKLab	oklab(23.19% 0.0064 -0.0931)
OKLCH	oklch(23.19% 0.093 273.9)
XYZ	xyz(1.6869, 1.1327, 6.2594)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121548 #484512

analogous

#123048 #121548 #2A1248

triadic

#121548 #481215 #154812

tetradic

#121548 #481230 #484512 #12482A

square

#121548 #481230 #484512 #12482A

split-complementary

#121548 #482A12 #304812

monochromatic

#060718 #060718 #121548 #1E2379 #2A32AA

Accessibility & contrast

On white

17.12

#121548 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#121548 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121548

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121548	#FFFFFF	#000000	##FFFFFF
##121548	1.00	17.12	1.23	17.12
#FFFFFF	17.12	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121548;
/* rgb */ color: rgb(18, 21, 72);
/* oklch */ color: oklch(23.2% 0.093 273.9);

Tailwind

colors: {
  custom: {
    50: '#58527b',
    500: '#121548',
    950: '#000000',
  },
}

SCSS

$custom: #121548;
$custom-light: #58527b;
$custom-dark: #000000;

JSON

{
  "hex": "#121548",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 72
  },
  "hsl": {
    "h": 236.667,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23193,
    "c": 0.09334,
    "h": 273.9
  },
  "luminance": 0.01133
}

Semantic roles & 50–950 ramp

primary

#121548

secondary

#817D35

accent

#DA45E3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #121548

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

Preview Lab → · Contrast checker → · Palette generator →