#181390#181390

#181390 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.189 H 270.1°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#181390
RGB	rgb(24, 19, 144)
HSL	hsl(242, 77%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.3%, 86.8%, 0%, 43.5%)
CIE-LAB	lab(18.68, 45.55, -65.23)
CIE-LCH	lch(18.68, 79.56, 304.93°)
OKLab	oklab(31.92% 0.0003 -0.1887)
OKLCH	oklch(31.92% 0.189 270.1)
XYZ	xyz(5.6419, 2.6729, 26.5987)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181390 #8B9013

analogous

#134D90 #181390 #571390

triadic

#181390 #901813 #139018

tetradic

#181390 #90134D #8B9013 #139057

square

#181390 #90134D #8B9013 #139057

split-complementary

#181390 #905713 #4D9013

monochromatic

#060524 #0F0C5A #181390 #211AC6 #3F39E5

Accessibility & contrast

On white

13.68

#181390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#181390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181390

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181390	#FFFFFF	#000000	##FFFFFF
##181390	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00278E

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181390;
/* rgb */ color: rgb(24, 19, 144);
/* oklch */ color: oklch(31.9% 0.189 270.1);

Tailwind

colors: {
  custom: {
    50: '#6f56b2',
    500: '#181390',
    950: '#000000',
  },
}

SCSS

$custom: #181390;
$custom-light: #6f56b2;
$custom-dark: #000000;

JSON

{
  "hex": "#181390",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 144
  },
  "hsl": {
    "h": 242.4,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31915,
    "c": 0.18874,
    "h": 270.1
  },
  "luminance": 0.02674
}

Semantic roles & 50–950 ramp

primary

#181390

secondary

#BEC43B

accent

#F335EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #181390

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

Preview Lab → · Contrast checker → · Palette generator →