#121550#121550

#121550 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.106 H 273.0°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#121550
RGB	rgb(18, 21, 80)
HSL	hsl(237, 63%, 19%)
HSV	hsv(237, 78%, 31%)
CMYK	cmyk(77.5%, 73.7%, 0%, 68.6%)
CIE-LAB	lab(10.88, 21.38, -36.45)
CIE-LCH	lch(10.88, 42.26, 300.39°)
OKLab	oklab(24.05% 0.0056 -0.1054)
OKLCH	oklch(24.05% 0.106 273)
XYZ	xyz(1.9651, 1.2439, 7.7244)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121550 #504D12

analogous

#123450 #121550 #2E1250

triadic

#121550 #501215 #155012

tetradic

#121550 #501234 #504D12 #12502E

square

#121550 #501234 #504D12 #12502E

split-complementary

#121550 #502E12 #345012

monochromatic

#060719 #07081E #121550 #1D2282 #282FB4

Accessibility & contrast

On white

16.82

#121550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121550

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121550	#FFFFFF	#000000	##FFFFFF
##121550	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002052

Deuteranopia (green-blind)

#001A4F

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121550;
/* rgb */ color: rgb(18, 21, 80);
/* oklch */ color: oklch(24.0% 0.106 273.0);

Tailwind

colors: {
  custom: {
    50: '#5b5282',
    500: '#121550',
    950: '#000000',
  },
}

SCSS

$custom: #121550;
$custom-light: #5b5282;
$custom-dark: #000000;

JSON

{
  "hex": "#121550",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 80
  },
  "hsl": {
    "h": 237.097,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24049,
    "c": 0.10551,
    "h": 273
  },
  "luminance": 0.01244
}

Semantic roles & 50–950 ramp

primary

#121550

secondary

#898535

accent

#DE41E6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #121550

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

Preview Lab → · Contrast checker → · Palette generator →