#121A4B#121A4B

#121A4B is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.091 H 271.0°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#121A4B
RGB	rgb(18, 26, 75)
HSL	hsl(232, 61%, 18%)
HSV	hsv(232, 76%, 29%)
CMYK	cmyk(76%, 65.3%, 0%, 70.6%)
CIE-LAB	lab(11.79, 15.63, -31.52)
CIE-LCH	lch(11.79, 35.18, 296.38°)
OKLab	oklab(24.57% 0.0016 -0.0908)
OKLCH	oklch(24.57% 0.091 271)
XYZ	xyz(1.8884, 1.3752, 6.8212)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A4B #4B4312

analogous

#12364B #121A4B #26124B

triadic

#121A4B #4B121A #1A4B12

tetradic

#121A4B #4B1236 #4B4312 #124B26

square

#121A4B #4B1236 #4B4312 #124B26

split-complementary

#121A4B #4B2612 #364B12

monochromatic

#060919 #06091A #121A4B #1E2B7C #2A3CAE

Accessibility & contrast

On white

16.47

#121A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A4B

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A4B	#FFFFFF	#000000	##FFFFFF
##121A4B	1.00	16.47	1.27	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224D

Deuteranopia (green-blind)

#001D4A

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121a4b;
/* rgb */ color: rgb(18, 26, 75);
/* oklch */ color: oklch(24.6% 0.091 271.0);

Tailwind

colors: {
  custom: {
    50: '#59567e',
    500: '#121a4b',
    950: '#000000',
  },
}

SCSS

$custom: #121a4b;
$custom-light: #59567e;
$custom-dark: #000000;

JSON

{
  "hex": "#121a4b",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 75
  },
  "hsl": {
    "h": 231.579,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24567,
    "c": 0.09085,
    "h": 271
  },
  "luminance": 0.01375
}

Semantic roles & 50–950 ramp

primary

#121A4B

secondary

#847935

accent

#CE43E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121A4B

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

Preview Lab → · Contrast checker → · Palette generator →