#181049#181049

#181049 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.9% C 0.100 H 281.4°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#181049
RGB	rgb(24, 16, 73)
HSL	hsl(248, 64%, 17%)
HSV	hsv(248, 78%, 29%)
CMYK	cmyk(67.1%, 78.1%, 0%, 71.4%)
CIE-LAB	lab(9.37, 23.05, -34.07)
CIE-LCH	lch(9.37, 41.13, 304.08°)
OKLab	oklab(22.86% 0.0197 -0.0982)
OKLCH	oklch(22.86% 0.1 281.4)
XYZ	xyz(1.7642, 1.0457, 6.4109)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181049 #414910

analogous

#102549 #181049 #351049

triadic

#181049 #491810 #104918

tetradic

#181049 #491025 #414910 #104935

square

#181049 #491025 #414910 #104935

split-complementary

#181049 #493510 #254910

monochromatic

#080619 #080619 #181049 #291B7B #3926AD

Accessibility & contrast

On white

17.37

#181049 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181049 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181049

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181049	#FFFFFF	#000000	##FFFFFF
##181049	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4B

Deuteranopia (green-blind)

#001848

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #181049;
/* rgb */ color: rgb(24, 16, 73);
/* oklch */ color: oklch(22.9% 0.100 281.4);

Tailwind

colors: {
  custom: {
    50: '#5c4f7c',
    500: '#181049',
    950: '#000000',
  },
}

SCSS

$custom: #181049;
$custom-light: #5c4f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#181049",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 73
  },
  "hsl": {
    "h": 248.421,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22862,
    "c": 0.10016,
    "h": 281.4
  },
  "luminance": 0.01046
}

Semantic roles & 50–950 ramp

primary

#181049

secondary

#788332

accent

#E741D0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #181049

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

Preview Lab → · Contrast checker → · Palette generator →