#183290#183290

#183290 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.158 H 266.2°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#183290
RGB	rgb(24, 50, 144)
HSL	hsl(227, 71%, 33%)
HSV	hsv(227, 83%, 56%)
CMYK	cmyk(83.3%, 65.3%, 0%, 43.5%)
CIE-LAB	lab(25.22, 27.30, -54.42)
CIE-LCH	lch(25.22, 60.88, 296.64°)
OKLab	oklab(36.59% -0.0103 -0.1576)
OKLCH	oklch(36.59% 0.158 266.2)
XYZ	xyz(6.5496, 4.4882, 26.9013)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183290 #907618

analogous

#186E90 #183290 #3A1890

triadic

#183290 #901832 #329018

tetradic

#183290 #90186E #907618 #18903A

square

#183290 #90186E #907618 #18903A

split-complementary

#183290 #903A18 #6E9018

monochromatic

#070E27 #0F205C #183290 #2144C4 #4365E0

Accessibility & contrast

On white

11.07

#183290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#183290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183290

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183290	#FFFFFF	#000000	##FFFFFF
##183290	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #183290;
/* rgb */ color: rgb(24, 50, 144);
/* oklch */ color: oklch(36.6% 0.158 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#183290',
    950: '#000000',
  },
}

SCSS

$custom: #183290;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#183290",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 144
  },
  "hsl": {
    "h": 227,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36589,
    "c": 0.1579,
    "h": 266.2
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#183290

secondary

#C0A543

accent

#C73AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #183290

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

Preview Lab → · Contrast checker → · Palette generator →