#183086#183086

#183086 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.147 H 266.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#183086
RGB	rgb(24, 48, 134)
HSL	hsl(227, 70%, 31%)
HSV	hsv(227, 82%, 53%)
CMYK	cmyk(82.1%, 64.2%, 0%, 47.5%)
CIE-LAB	lab(23.77, 24.71, -50.59)
CIE-LCH	lch(23.77, 56.30, 296.03°)
OKLab	oklab(35.23% -0.009 -0.1464)
OKLCH	oklch(35.23% 0.147 266.5)
XYZ	xyz(5.7352, 4.0287, 23.0250)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183086 #866E18

analogous

#186786 #183086 #371886

triadic

#183086 #861830 #308618

tetradic

#183086 #861867 #866E18 #188637

square

#183086 #861867 #866E18 #188637

split-complementary

#183086 #863718 #678618

monochromatic

#050B1E #0F1D52 #183086 #2143BA #3C5FDC

Accessibility & contrast

On white

11.63

#183086 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#183086 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183086

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183086	#FFFFFF	#000000	##FFFFFF
##183086	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E89

Deuteranopia (green-blind)

#003484

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183086;
/* rgb */ color: rgb(24, 48, 134);
/* oklch */ color: oklch(35.2% 0.147 266.5);

Tailwind

colors: {
  custom: {
    50: '#6968aa',
    500: '#183086',
    950: '#000000',
  },
}

SCSS

$custom: #183086;
$custom-light: #6968aa;
$custom-dark: #000000;

JSON

{
  "hex": "#183086",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 134
  },
  "hsl": {
    "h": 226.909,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35226,
    "c": 0.14666,
    "h": 266.5
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#183086

secondary

#BA9F40

accent

#C63BEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183086

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

Preview Lab → · Contrast checker → · Palette generator →