#183593#183593

#183593 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.158 H 265.6°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#183593
RGB	rgb(24, 53, 147)
HSL	hsl(226, 72%, 34%)
HSV	hsv(226, 84%, 58%)
CMYK	cmyk(83.7%, 63.9%, 0%, 42.4%)
CIE-LAB	lab(26.29, 26.43, -54.52)
CIE-LCH	lch(26.29, 60.59, 295.87°)
OKLab	oklab(37.46% -0.012 -0.1578)
OKLCH	oklch(37.46% 0.158 265.6)
XYZ	xyz(6.9144, 4.8461, 28.1691)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183593 #937618

analogous

#187293 #183593 #381893

triadic

#183593 #931835 #359318

tetradic

#183593 #931872 #937618 #189338

square

#183593 #931872 #937618 #189338

split-complementary

#183593 #933818 #729318

monochromatic

#070F2A #0F225E #183593 #2148C8 #456AE1

Accessibility & contrast

On white

10.66

#183593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#183593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183593

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183593	#FFFFFF	#000000	##FFFFFF
##183593	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004496

Deuteranopia (green-blind)

#003991

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #183593;
/* rgb */ color: rgb(24, 53, 147);
/* oklch */ color: oklch(37.5% 0.158 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c6cb4',
    500: '#183593',
    950: '#000000',
  },
}

SCSS

$custom: #183593;
$custom-light: #6c6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#183593",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 147
  },
  "hsl": {
    "h": 225.854,
    "s": 71.93,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37464,
    "c": 0.15828,
    "h": 265.6
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#183593

secondary

#C2A445

accent

#C439EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #183593

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

Preview Lab → · Contrast checker → · Palette generator →