#121A40#121A40

#121A40 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.073 H 270.9°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#121A40
RGB	rgb(18, 26, 64)
HSL	hsl(230, 56%, 16%)
HSV	hsv(230, 72%, 25%)
CMYK	cmyk(71.9%, 59.4%, 0%, 74.9%)
CIE-LAB	lab(10.83, 10.98, -25.39)
CIE-LCH	lch(10.83, 27.67, 293.39°)
OKLab	oklab(23.54% 0.0011 -0.0728)
OKLCH	oklch(23.54% 0.073 270.9)
XYZ	xyz(1.5440, 1.2374, 5.0070)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A40 #403812

analogous

#123140 #121A40 #211240

triadic

#121A40 #40121A #1A4012

tetradic

#121A40 #401231 #403812 #124021

square

#121A40 #401231 #403812 #124021

split-complementary

#121A40 #402112 #314012

monochromatic

#070A18 #070A18 #121A40 #1F2D70 #2D41A0

Accessibility & contrast

On white

16.83

#121A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A40

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A40	#FFFFFF	#000000	##FFFFFF
##121A40	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041F41

Deuteranopia (green-blind)

#001B3F

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121a40;
/* rgb */ color: rgb(18, 26, 64);
/* oklch */ color: oklch(23.5% 0.073 270.9);

Tailwind

colors: {
  custom: {
    50: '#565675',
    500: '#121a40',
    950: '#000000',
  },
}

SCSS

$custom: #121a40;
$custom-light: #565675;
$custom-dark: #000000;

JSON

{
  "hex": "#121a40",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 64
  },
  "hsl": {
    "h": 229.565,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23544,
    "c": 0.07284,
    "h": 270.9
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#121A40

secondary

#796D35

accent

#C548DF

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030308

muted

#78787B

Preview Lab

Preview with #121A40

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

Preview Lab → · Contrast checker → · Palette generator →