#183586#183586

#183586 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.140 H 265.0°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#183586
RGB	rgb(24, 53, 134)
HSL	hsl(224, 70%, 31%)
HSV	hsv(224, 82%, 53%)
CMYK	cmyk(82.1%, 60.4%, 0%, 47.5%)
CIE-LAB	lab(25.14, 21.22, -48.35)
CIE-LCH	lch(25.14, 52.80, 293.69°)
OKLab	oklab(36.25% -0.0122 -0.1397)
OKLCH	oklch(36.25% 0.14 265)
XYZ	xyz(5.9513, 4.4609, 23.0970)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183586 #866918

analogous

#186C86 #183586 #321886

triadic

#183586 #861835 #358618

tetradic

#183586 #86186C #866918 #188632

square

#183586 #86186C #866918 #188632

split-complementary

#183586 #863218 #6C8618

monochromatic

#050C1E #0F2052 #183586 #214ABA #3C66DC

Accessibility & contrast

On white

11.10

#183586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#183586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183586

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183586	#FFFFFF	#000000	##FFFFFF
##183586	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003784

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #183586;
/* rgb */ color: rgb(24, 53, 134);
/* oklch */ color: oklch(36.2% 0.140 265.0);

Tailwind

colors: {
  custom: {
    50: '#696baa',
    500: '#183586',
    950: '#000000',
  },
}

SCSS

$custom: #183586;
$custom-light: #696baa;
$custom-dark: #000000;

JSON

{
  "hex": "#183586",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 134
  },
  "hsl": {
    "h": 224.182,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36249,
    "c": 0.14025,
    "h": 265
  },
  "luminance": 0.04462
}

Semantic roles & 50–950 ramp

primary

#183586

secondary

#BA9A40

accent

#BE3BEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183586

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

Preview Lab → · Contrast checker → · Palette generator →