#181375#181375

#181375 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.5% C 0.156 H 272.6°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#181375
RGB	rgb(24, 19, 117)
HSL	hsl(243, 72%, 27%)
HSV	hsv(243, 84%, 46%)
CMYK	cmyk(79.5%, 83.8%, 0%, 54.1%)
CIE-LAB	lab(15.19, 36.82, -53.92)
CIE-LCH	lch(15.19, 65.29, 304.33°)
OKLab	oklab(28.5% 0.007 -0.156)
OKLCH	oklch(28.5% 0.156 272.6)
XYZ	xyz(3.8194, 1.9439, 17.0001)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181375 #707513

analogous

#133F75 #181375 #491375

triadic

#181375 #751813 #137518

tetradic

#181375 #75133F #707513 #137549

square

#181375 #75133F #707513 #137549

split-complementary

#181375 #754913 #3F7513

monochromatic

#05041A #0D0A40 #181375 #231CAA #3027DC

Accessibility & contrast

On white

15.12

#181375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181375

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181375	#FFFFFF	#000000	##FFFFFF
##181375	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B78

Deuteranopia (green-blind)

#002173

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181375;
/* rgb */ color: rgb(24, 19, 117);
/* oklch */ color: oklch(28.5% 0.156 272.6);

Tailwind

colors: {
  custom: {
    50: '#68539e',
    500: '#181375',
    950: '#000000',
  },
}

SCSS

$custom: #181375;
$custom-light: #68539e;
$custom-dark: #000000;

JSON

{
  "hex": "#181375",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 117
  },
  "hsl": {
    "h": 243.061,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28501,
    "c": 0.15618,
    "h": 272.6
  },
  "luminance": 0.01944
}

Semantic roles & 50–950 ramp

primary

#181375

secondary

#A5AB38

accent

#EF39E6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181375

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

Preview Lab → · Contrast checker → · Palette generator →