#121C4E#121C4E

#121C4E is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.093 H 269.9°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#121C4E
RGB	rgb(18, 28, 78)
HSL	hsl(230, 63%, 19%)
HSV	hsv(230, 77%, 31%)
CMYK	cmyk(76.9%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(12.67, 15.38, -32.16)
CIE-LCH	lch(12.67, 35.65, 295.56°)
OKLab	oklab(25.3% -0.0002 -0.0927)
OKLCH	oklch(25.3% 0.093 269.9)
XYZ	xyz(2.0394, 1.5090, 7.3900)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C4E #4E4412

analogous

#123A4E #121C4E #26124E

triadic

#121C4E #4E121C #1C4E12

tetradic

#121C4E #4E123A #4E4412 #124E26

square

#121C4E #4E123A #4E4412 #124E26

split-complementary

#121C4E #4E2612 #3A4E12

monochromatic

#060919 #070A1C #121C4E #1D2E80 #2940B1

Accessibility & contrast

On white

16.13

#121C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#121C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C4E

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C4E	#FFFFFF	#000000	##FFFFFF
##121C4E	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#001E4D

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121c4e;
/* rgb */ color: rgb(18, 28, 78);
/* oklch */ color: oklch(25.3% 0.093 269.9);

Tailwind

colors: {
  custom: {
    50: '#595780',
    500: '#121c4e',
    950: '#000000',
  },
}

SCSS

$custom: #121c4e;
$custom-light: #595780;
$custom-dark: #000000;

JSON

{
  "hex": "#121c4e",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 230,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.25303,
    "c": 0.0927,
    "h": 269.9
  },
  "luminance": 0.01509
}

Semantic roles & 50–950 ramp

primary

#121C4E

secondary

#877935

accent

#CA42E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121C4E

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

Preview Lab → · Contrast checker → · Palette generator →