#181248#181248

#181248 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.096 H 280.8°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#181248
RGB	rgb(24, 18, 72)
HSL	hsl(247, 60%, 18%)
HSV	hsv(247, 75%, 28%)
CMYK	cmyk(66.7%, 75%, 0%, 71.8%)
CIE-LAB	lab(9.76, 21.32, -32.74)
CIE-LCH	lch(9.76, 39.07, 303.08°)
OKLab	oklab(23.11% 0.018 -0.0943)
OKLCH	oklch(23.11% 0.096 280.8)
XYZ	xyz(1.7623, 1.0946, 6.2480)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181248 #424812

analogous

#122748 #181248 #331248

triadic

#181248 #481812 #124818

tetradic

#181248 #481227 #424812 #124833

square

#181248 #481227 #424812 #124833

split-complementary

#181248 #483312 #274812

monochromatic

#080618 #080618 #181248 #281E79 #392AAA

Accessibility & contrast

On white

17.23

#181248 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#181248 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181248

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181248	#FFFFFF	#000000	##FFFFFF
##181248	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00202B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #181248;
/* rgb */ color: rgb(24, 18, 72);
/* oklch */ color: oklch(23.1% 0.096 280.8);

Tailwind

colors: {
  custom: {
    50: '#5c507c',
    500: '#181248',
    950: '#000000',
  },
}

SCSS

$custom: #181248;
$custom-light: #5c507c;
$custom-dark: #000000;

JSON

{
  "hex": "#181248",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 72
  },
  "hsl": {
    "h": 246.667,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23109,
    "c": 0.09599,
    "h": 280.8
  },
  "luminance": 0.01095
}

Semantic roles & 50–950 ramp

primary

#181248

secondary

#798135

accent

#E345D2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #181248

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

Preview Lab → · Contrast checker → · Palette generator →