#121A4D#121A4D

#121A4D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.094 H 271.0°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#121A4D
RGB	rgb(18, 26, 77)
HSL	hsl(232, 62%, 19%)
HSV	hsv(232, 77%, 30%)
CMYK	cmyk(76.6%, 66.2%, 0%, 69.8%)
CIE-LAB	lab(11.98, 16.47, -32.59)
CIE-LCH	lch(11.98, 36.52, 296.81°)
OKLab	oklab(24.76% 0.0016 -0.094)
OKLCH	oklch(24.76% 0.094 271)
XYZ	xyz(1.9579, 1.4030, 7.1874)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A4D #4D4512

analogous

#12374D #121A4D #27124D

triadic

#121A4D #4D121A #1A4D12

tetradic

#121A4D #4D1237 #4D4512 #124D27

square

#121A4D #4D1237 #4D4512 #124D27

split-complementary

#121A4D #4D2712 #374D12

monochromatic

#060819 #06091B #121A4D #1E2B7F #293BB0

Accessibility & contrast

On white

16.40

#121A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A4D

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A4D	#FFFFFF	#000000	##FFFFFF
##121A4D	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224F

Deuteranopia (green-blind)

#001D4C

Tritanopia (blue-blind)

#002730

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121a4d;
/* rgb */ color: rgb(18, 26, 77);
/* oklch */ color: oklch(24.8% 0.094 271.0);

Tailwind

colors: {
  custom: {
    50: '#59567f',
    500: '#121a4d',
    950: '#000000',
  },
}

SCSS

$custom: #121a4d;
$custom-light: #59567f;
$custom-dark: #000000;

JSON

{
  "hex": "#121a4d",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 77
  },
  "hsl": {
    "h": 231.864,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.24763,
    "c": 0.09401,
    "h": 271
  },
  "luminance": 0.01403
}

Semantic roles & 50–950 ramp

primary

#121A4D

secondary

#867B35

accent

#CF43E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121A4D

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

Preview Lab → · Contrast checker → · Palette generator →