#183793#183793

#183793 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.156 H 265.2°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#183793
RGB	rgb(24, 55, 147)
HSL	hsl(225, 72%, 34%)
HSV	hsv(225, 84%, 58%)
CMYK	cmyk(83.7%, 62.6%, 0%, 42.4%)
CIE-LAB	lab(26.83, 25.06, -53.65)
CIE-LCH	lch(26.83, 59.21, 295.04°)
OKLab	oklab(37.86% -0.0132 -0.1552)
OKLCH	oklch(37.86% 0.156 265.2)
XYZ	xyz(7.0075, 5.0323, 28.2001)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183793 #937418

analogous

#187493 #183793 #361893

triadic

#183793 #931837 #379318

tetradic

#183793 #931874 #937418 #189336

square

#183793 #931874 #937418 #189336

split-complementary

#183793 #933618 #749318

monochromatic

#07102A #0F235E #183793 #214BC8 #456CE1

Accessibility & contrast

On white

10.47

#183793 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#183793 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183793

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183793	#FFFFFF	#000000	##FFFFFF
##183793	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004596

Deuteranopia (green-blind)

#003A91

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #183793;
/* rgb */ color: rgb(24, 55, 147);
/* oklch */ color: oklch(37.9% 0.156 265.2);

Tailwind

colors: {
  custom: {
    50: '#6c6db4',
    500: '#183793',
    950: '#000000',
  },
}

SCSS

$custom: #183793;
$custom-light: #6c6db4;
$custom-dark: #000000;

JSON

{
  "hex": "#183793",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 147
  },
  "hsl": {
    "h": 224.878,
    "s": 71.93,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37861,
    "c": 0.15579,
    "h": 265.2
  },
  "luminance": 0.05033
}

Semantic roles & 50–950 ramp

primary

#183793

secondary

#C2A245

accent

#C139EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #183793

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

Preview Lab → · Contrast checker → · Palette generator →