#183484#183484

#183484 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.139 H 265.2°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#183484
RGB	rgb(24, 52, 132)
HSL	hsl(224, 69%, 31%)
HSV	hsv(224, 82%, 52%)
CMYK	cmyk(81.8%, 60.6%, 0%, 48.2%)
CIE-LAB	lab(24.69, 21.11, -47.83)
CIE-LCH	lch(24.69, 52.28, 293.81°)
OKLab	oklab(35.86% -0.0116 -0.1382)
OKLCH	oklch(35.86% 0.139 265.2)
XYZ	xyz(5.7681, 4.3154, 22.3543)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183484 #846818

analogous

#186A84 #183484 #321884

triadic

#183484 #841834 #348418

tetradic

#183484 #84186A #846818 #188432

square

#183484 #84186A #846818 #188432

split-complementary

#183484 #843218 #6A8418

monochromatic

#050B1C #0F2050 #183484 #2148B8 #3B65DB

Accessibility & contrast

On white

11.27

#183484 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#183484 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183484

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183484	#FFFFFF	#000000	##FFFFFF
##183484	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004087

Deuteranopia (green-blind)

#003682

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #183484;
/* rgb */ color: rgb(24, 52, 132);
/* oklch */ color: oklch(35.9% 0.139 265.2);

Tailwind

colors: {
  custom: {
    50: '#686ba8',
    500: '#183484',
    950: '#000000',
  },
}

SCSS

$custom: #183484;
$custom-light: #686ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#183484",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 132
  },
  "hsl": {
    "h": 224.444,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35857,
    "c": 0.13872,
    "h": 265.2
  },
  "luminance": 0.04316
}

Semantic roles & 50–950 ramp

primary

#183484

secondary

#B89940

accent

#BE3CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183484

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

Preview Lab → · Contrast checker → · Palette generator →