#181542#181542

#181542 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.082 H 280.8°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#181542
RGB	rgb(24, 21, 66)
HSL	hsl(244, 52%, 17%)
HSV	hsv(244, 68%, 26%)
CMYK	cmyk(63.6%, 68.2%, 0%, 74.1%)
CIE-LAB	lab(9.98, 16.89, -28.15)
CIE-LCH	lch(9.98, 32.83, 300.96°)
OKLab	oklab(23.09% 0.0154 -0.0808)
OKLCH	oklch(23.09% 0.082 280.8)
XYZ	xyz(1.6279, 1.1238, 5.2843)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181542 #3F4215

analogous

#152942 #181542 #2F1542

triadic

#181542 #421815 #154218

tetradic

#181542 #421529 #3F4215 #15422F

square

#181542 #421529 #3F4215 #15422F

split-complementary

#181542 #422F15 #294215

monochromatic

#080717 #080717 #181542 #292470 #3A339F

Accessibility & contrast

On white

17.15

#181542 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#181542 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181542

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181542	#FFFFFF	#000000	##FFFFFF
##181542	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D43

Deuteranopia (green-blind)

#001A41

Tritanopia (blue-blind)

#042029

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #181542;
/* rgb */ color: rgb(24, 21, 66);
/* oklch */ color: oklch(23.1% 0.082 280.8);

Tailwind

colors: {
  custom: {
    50: '#5a5277',
    500: '#181542',
    950: '#000000',
  },
}

SCSS

$custom: #181542;
$custom-light: #5a5277;
$custom-dark: #000000;

JSON

{
  "hex": "#181542",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 66
  },
  "hsl": {
    "h": 244,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.23094,
    "c": 0.08227,
    "h": 280.8
  },
  "luminance": 0.01124
}

Semantic roles & 50–950 ramp

primary

#181542

secondary

#757A39

accent

#DB4DD2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #181542

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

Preview Lab → · Contrast checker → · Palette generator →