#183190#183190

#183190 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.159 H 266.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#183190
RGB	rgb(24, 49, 144)
HSL	hsl(228, 71%, 33%)
HSV	hsv(228, 83%, 56%)
CMYK	cmyk(83.3%, 66%, 0%, 43.5%)
CIE-LAB	lab(24.96, 27.98, -54.85)
CIE-LCH	lch(24.96, 61.57, 297.03°)
OKLab	oklab(36.4% -0.0098 -0.1588)
OKLCH	oklch(36.4% 0.159 266.5)
XYZ	xyz(6.5073, 4.4037, 26.8872)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183190 #907718

analogous

#186D90 #183190 #3B1890

triadic

#183190 #901831 #319018

tetradic

#183190 #90186D #907718 #18903B

square

#183190 #90186D #907718 #18903B

split-complementary

#183190 #903B18 #6D9018

monochromatic

#070D27 #0F1F5C #183190 #2143C4 #4363E0

Accessibility & contrast

On white

11.17

#183190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#183190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183190

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183190	#FFFFFF	#000000	##FFFFFF
##183190	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #183190;
/* rgb */ color: rgb(24, 49, 144);
/* oklch */ color: oklch(36.4% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#183190',
    950: '#000000',
  },
}

SCSS

$custom: #183190;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#183190",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 144
  },
  "hsl": {
    "h": 227.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36397,
    "c": 0.15912,
    "h": 266.5
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#183190

secondary

#C0A643

accent

#C93AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #183190

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

Preview Lab → · Contrast checker → · Palette generator →