#121C50#121C50

#121C50 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.096 H 269.9°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#121C50
RGB	rgb(18, 28, 80)
HSL	hsl(230, 63%, 19%)
HSV	hsv(230, 78%, 31%)
CMYK	cmyk(77.5%, 65%, 0%, 68.6%)
CIE-LAB	lab(12.85, 16.23, -33.23)
CIE-LCH	lch(12.85, 36.98, 296.03°)
OKLab	oklab(25.5% -0.0002 -0.0958)
OKLCH	oklch(25.5% 0.096 269.9)
XYZ	xyz(2.1122, 1.5381, 7.7734)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C50 #504612

analogous

#123B50 #121C50 #271250

triadic

#121C50 #50121C #1C5012

tetradic

#121C50 #50123B #504612 #125027

square

#121C50 #50123B #504612 #125027

split-complementary

#121C50 #502712 #3B5012

monochromatic

#060919 #070B1E #121C50 #1D2D82 #283FB4

Accessibility & contrast

On white

16.06

#121C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C50

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C50	#FFFFFF	#000000	##FFFFFF
##121C50	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002452

Deuteranopia (green-blind)

#001E4F

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121c50;
/* rgb */ color: rgb(18, 28, 80);
/* oklch */ color: oklch(25.5% 0.096 269.9);

Tailwind

colors: {
  custom: {
    50: '#5a5782',
    500: '#121c50',
    950: '#000000',
  },
}

SCSS

$custom: #121c50;
$custom-light: #5a5782;
$custom-dark: #000000;

JSON

{
  "hex": "#121c50",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 80
  },
  "hsl": {
    "h": 230.323,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25497,
    "c": 0.09585,
    "h": 269.9
  },
  "luminance": 0.01538
}

Semantic roles & 50–950 ramp

primary

#121C50

secondary

#897B35

accent

#CC41E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #121C50

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

Preview Lab → · Contrast checker → · Palette generator →