#181746#181746

#181746 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.086 H 278.7°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#181746
RGB	rgb(24, 23, 70)
HSL	hsl(241, 51%, 18%)
HSV	hsv(241, 67%, 27%)
CMYK	cmyk(65.7%, 67.1%, 0%, 72.5%)
CIE-LAB	lab(10.91, 16.97, -29.45)
CIE-LCH	lch(10.91, 33.99, 299.96°)
OKLab	oklab(23.89% 0.0129 -0.0846)
OKLCH	oklch(23.89% 0.086 278.7)
XYZ	xyz(1.7882, 1.2491, 5.9400)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181746 #454617

analogous

#172D46 #181746 #2F1746

triadic

#181746 #461817 #174618

tetradic

#181746 #46172D #454617 #17462F

square

#181746 #46172D #454617 #17462F

split-complementary

#181746 #462F17 #2D4617

monochromatic

#080817 #080818 #181746 #282674 #3835A2

Accessibility & contrast

On white

16.80

#181746 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#181746 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181746

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181746	#FFFFFF	#000000	##FFFFFF
##181746	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F48

Deuteranopia (green-blind)

#001B45

Tritanopia (blue-blind)

#00222B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #181746;
/* rgb */ color: rgb(24, 23, 70);
/* oklch */ color: oklch(23.9% 0.086 278.7);

Tailwind

colors: {
  custom: {
    50: '#5b547a',
    500: '#181746',
    950: '#000000',
  },
}

SCSS

$custom: #181746;
$custom-light: #5b547a;
$custom-dark: #000000;

JSON

{
  "hex": "#181746",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 70
  },
  "hsl": {
    "h": 241.277,
    "s": 50.538,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23894,
    "c": 0.08559,
    "h": 278.7
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#181746

secondary

#7C7D3C

accent

#DA4ED7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040209

muted

#79787B

Preview Lab

Preview with #181746

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

Preview Lab → · Contrast checker → · Palette generator →