#181745#181745

#181745 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.084 H 278.9°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#181745
RGB	rgb(24, 23, 69)
HSL	hsl(241, 50%, 18%)
HSV	hsv(241, 67%, 27%)
CMYK	cmyk(65.2%, 66.7%, 0%, 72.9%)
CIE-LAB	lab(10.82, 16.58, -28.90)
CIE-LCH	lch(10.82, 33.32, 299.85°)
OKLab	oklab(23.8% 0.0129 -0.083)
OKLCH	oklch(23.8% 0.084 278.9)
XYZ	xyz(1.7569, 1.2365, 5.7752)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181745 #444517

analogous

#172D45 #181745 #2F1745

triadic

#181745 #451817 #174518

tetradic

#181745 #45172D #444517 #17452F

square

#181745 #45172D #444517 #17452F

split-complementary

#181745 #452F17 #2D4517

monochromatic

#080817 #080817 #181745 #282673 #3836A1

Accessibility & contrast

On white

16.84

#181745 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#181745 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181745

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181745	#FFFFFF	#000000	##FFFFFF
##181745	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F47

Deuteranopia (green-blind)

#001B44

Tritanopia (blue-blind)

#01222B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #181745;
/* rgb */ color: rgb(24, 23, 69);
/* oklch */ color: oklch(23.8% 0.084 278.9);

Tailwind

colors: {
  custom: {
    50: '#5a5479',
    500: '#181745',
    950: '#000000',
  },
}

SCSS

$custom: #181745;
$custom-light: #5a5479;
$custom-dark: #000000;

JSON

{
  "hex": "#181745",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 69
  },
  "hsl": {
    "h": 241.304,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23799,
    "c": 0.08399,
    "h": 278.9
  },
  "luminance": 0.01237
}

Semantic roles & 50–950 ramp

primary

#181745

secondary

#7B7C3C

accent

#DA4ED6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040209

muted

#79787B

Preview Lab

Preview with #181745

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

Preview Lab → · Contrast checker → · Palette generator →