#121D4A#121D4A

#121D4A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.085 H 269.1°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#121D4A
RGB	rgb(18, 29, 74)
HSL	hsl(228, 61%, 18%)
HSV	hsv(228, 76%, 29%)
CMYK	cmyk(75.7%, 60.8%, 0%, 71%)
CIE-LAB	lab(12.62, 12.92, -29.48)
CIE-LCH	lch(12.62, 32.19, 293.67°)
OKLab	oklab(25.16% -0.0013 -0.0848)
OKLCH	oklch(25.16% 0.085 269.1)
XYZ	xyz(1.9244, 1.5016, 6.6656)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D4A #4A3F12

analogous

#12394A #121D4A #23124A

triadic

#121D4A #4A121D #1D4A12

tetradic

#121D4A #4A1239 #4A3F12 #124A23

square

#121D4A #4A1239 #4A3F12 #124A23

split-complementary

#121D4A #4A2312 #394A12

monochromatic

#060A19 #060A19 #121D4A #1E307B #2A44AC

Accessibility & contrast

On white

16.15

#121D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#121D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D4A

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D4A	#FFFFFF	#000000	##FFFFFF
##121D4A	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234C

Deuteranopia (green-blind)

#001E49

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121d4a;
/* rgb */ color: rgb(18, 29, 74);
/* oklch */ color: oklch(25.2% 0.085 269.1);

Tailwind

colors: {
  custom: {
    50: '#58587d',
    500: '#121d4a',
    950: '#000000',
  },
}

SCSS

$custom: #121d4a;
$custom-light: #58587d;
$custom-dark: #000000;

JSON

{
  "hex": "#121d4a",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 74
  },
  "hsl": {
    "h": 228.214,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25157,
    "c": 0.08483,
    "h": 269.1
  },
  "luminance": 0.01502
}

Semantic roles & 50–950 ramp

primary

#121D4A

secondary

#837435

accent

#C544E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121D4A

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

Preview Lab → · Contrast checker → · Palette generator →