#183364#183364

#183364 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.093 H 261.2°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#183364
RGB	rgb(24, 51, 100)
HSL	hsl(219, 61%, 24%)
HSV	hsv(219, 76%, 39%)
CMYK	cmyk(76%, 49%, 0%, 60.8%)
CIE-LAB	lab(21.88, 8.60, -31.96)
CIE-LCH	lch(21.88, 33.09, 285.06°)
OKLab	oklab(32.93% -0.0142 -0.0916)
OKLCH	oklch(32.93% 0.093 261.2)
XYZ	xyz(3.8599, 3.4815, 12.5227)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183364 #644918

analogous

#185964 #183364 #231864

triadic

#183364 #641833 #336418

tetradic

#183364 #641859 #644918 #186423

square

#183364 #641859 #644918 #186423

split-complementary

#183364 #642318 #596418

monochromatic

#060D19 #0C1A33 #183364 #244C95 #3065C7

Accessibility & contrast

On white

12.38

#183364 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183364 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183364

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183364	#FFFFFF	#000000	##FFFFFF
##183364	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3866

Deuteranopia (green-blind)

#093163

Tritanopia (blue-blind)

#003E46

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183364;
/* rgb */ color: rgb(24, 51, 100);
/* oklch */ color: oklch(32.9% 0.093 261.2);

Tailwind

colors: {
  custom: {
    50: '#606a90',
    500: '#183364',
    950: '#000000',
  },
}

SCSS

$custom: #183364;
$custom-light: #606a90;
$custom-dark: #000000;

JSON

{
  "hex": "#183364",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 100
  },
  "hsl": {
    "h": 218.684,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.32931,
    "c": 0.09265,
    "h": 261.2
  },
  "luminance": 0.03482
}

Semantic roles & 50–950 ramp

primary

#183364

secondary

#9A793E

accent

#AB43E4

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #183364

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

Preview Lab → · Contrast checker → · Palette generator →