#181690#181690

#181690 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.187 H 269.9°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#181690
RGB	rgb(24, 22, 144)
HSL	hsl(241, 73%, 33%)
HSV	hsv(241, 85%, 56%)
CMYK	cmyk(83.3%, 84.7%, 0%, 43.5%)
CIE-LAB	lab(19.14, 44.18, -64.46)
CIE-LCH	lch(19.14, 78.15, 304.43°)
OKLab	oklab(32.23% -0.0002 -0.1866)
OKLCH	oklch(32.23% 0.187 269.9)
XYZ	xyz(5.6959, 2.7810, 26.6167)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181690 #8E9016

analogous

#165190 #181690 #551690

triadic

#181690 #901816 #169018

tetradic

#181690 #901651 #8E9016 #169055

square

#181690 #901651 #8E9016 #169055

split-complementary

#181690 #905516 #519016

monochromatic

#060626 #0F0E5B #181690 #211EC5 #413FE2

Accessibility & contrast

On white

13.49

#181690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#181690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181690

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181690	#FFFFFF	#000000	##FFFFFF
##181690	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003593

Deuteranopia (green-blind)

#00288E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #181690;
/* rgb */ color: rgb(24, 22, 144);
/* oklch */ color: oklch(32.2% 0.187 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f57b2',
    500: '#181690',
    950: '#000000',
  },
}

SCSS

$custom: #181690;
$custom-light: #6f57b2;
$custom-dark: #000000;

JSON

{
  "hex": "#181690",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 144
  },
  "hsl": {
    "h": 240.984,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32233,
    "c": 0.18659,
    "h": 269.9
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#181690

secondary

#C0C240

accent

#F038ED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #181690

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

Preview Lab → · Contrast checker → · Palette generator →