#181687#181687

#181687 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.176 H 270.6°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#181687
RGB	rgb(24, 22, 135)
HSL	hsl(241, 72%, 31%)
HSV	hsv(241, 84%, 53%)
CMYK	cmyk(82.2%, 83.7%, 0%, 47.1%)
CIE-LAB	lab(17.99, 41.26, -60.74)
CIE-LCH	lch(17.99, 73.43, 304.19°)
OKLab	oklab(31.11% 0.0018 -0.1758)
OKLCH	oklch(31.11% 0.176 270.6)
XYZ	xyz(5.0353, 2.5167, 23.1374)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181687 #858716

analogous

#164C87 #181687 #501687

triadic

#181687 #871816 #168718

tetradic

#181687 #87164C #858716 #168750

square

#181687 #87164C #858716 #168750

split-complementary

#181687 #875016 #4C8716

monochromatic

#05051E #0F0D52 #181687 #211FBC #3C39DF

Accessibility & contrast

On white

13.97

#181687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#181687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181687

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181687	#FFFFFF	#000000	##FFFFFF
##181687	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328A

Deuteranopia (green-blind)

#002685

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #181687;
/* rgb */ color: rgb(24, 22, 135);
/* oklch */ color: oklch(31.1% 0.176 270.6);

Tailwind

colors: {
  custom: {
    50: '#6c57ab',
    500: '#181687',
    950: '#000000',
  },
}

SCSS

$custom: #181687;
$custom-light: #6c57ab;
$custom-dark: #000000;

JSON

{
  "hex": "#181687",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 135
  },
  "hsl": {
    "h": 241.062,
    "s": 71.975,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31106,
    "c": 0.17583,
    "h": 270.6
  },
  "luminance": 0.02517
}

Semantic roles & 50–950 ramp

primary

#181687

secondary

#B9BB3E

accent

#EF39EB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181687

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

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