#183382#183382

#183382 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.137 H 265.4°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#183382
RGB	rgb(24, 51, 130)
HSL	hsl(225, 69%, 30%)
HSV	hsv(225, 82%, 51%)
CMYK	cmyk(81.5%, 60.8%, 0%, 49%)
CIE-LAB	lab(24.23, 21.00, -47.32)
CIE-LCH	lch(24.23, 51.77, 293.93°)
OKLab	oklab(35.47% -0.011 -0.1367)
OKLCH	oklch(35.47% 0.137 265.4)
XYZ	xyz(5.5884, 4.1729, 21.6257)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183382 #826718

analogous

#186882 #183382 #321882

triadic

#183382 #821833 #338218

tetradic

#183382 #821868 #826718 #188232

square

#183382 #821868 #826718 #188232

split-complementary

#183382 #823218 #688218

monochromatic

#050A1B #0E1F4E #183382 #2247B6 #3A63DB

Accessibility & contrast

On white

11.45

#183382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#183382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183382

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183382	#FFFFFF	#000000	##FFFFFF
##183382	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F85

Deuteranopia (green-blind)

#003580

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183382;
/* rgb */ color: rgb(24, 51, 130);
/* oklch */ color: oklch(35.5% 0.137 265.4);

Tailwind

colors: {
  custom: {
    50: '#686aa7',
    500: '#183382',
    950: '#000000',
  },
}

SCSS

$custom: #183382;
$custom-light: #686aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#183382",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 130
  },
  "hsl": {
    "h": 224.717,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35465,
    "c": 0.13718,
    "h": 265.4
  },
  "luminance": 0.04174
}

Semantic roles & 50–950 ramp

primary

#183382

secondary

#B69840

accent

#BF3CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #183382

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

Preview Lab → · Contrast checker → · Palette generator →