#183280#183280

#183280 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.136 H 265.6°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#183280
RGB	rgb(24, 50, 128)
HSL	hsl(225, 68%, 30%)
HSV	hsv(225, 81%, 50%)
CMYK	cmyk(81.3%, 60.9%, 0%, 49.8%)
CIE-LAB	lab(23.78, 20.89, -46.80)
CIE-LCH	lch(23.78, 51.25, 294.05°)
OKLab	oklab(35.07% -0.0104 -0.1352)
OKLCH	oklch(35.07% 0.136 265.6)
XYZ	xyz(5.4122, 4.0333, 20.9111)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183280 #806618

analogous

#186680 #183280 #321880

triadic

#183280 #801832 #328018

tetradic

#183280 #801866 #806618 #188032

square

#183280 #801866 #806618 #188032

split-complementary

#183280 #803218 #668018

monochromatic

#050A1A #0E1E4C #183280 #2246B4 #3961DA

Accessibility & contrast

On white

11.62

#183280 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#183280 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183280

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183280	#FFFFFF	#000000	##FFFFFF
##183280	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E83

Deuteranopia (green-blind)

#00347E

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183280;
/* rgb */ color: rgb(24, 50, 128);
/* oklch */ color: oklch(35.1% 0.136 265.6);

Tailwind

colors: {
  custom: {
    50: '#6769a6',
    500: '#183280',
    950: '#000000',
  },
}

SCSS

$custom: #183280;
$custom-light: #6769a6;
$custom-dark: #000000;

JSON

{
  "hex": "#183280",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 128
  },
  "hsl": {
    "h": 225,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35071,
    "c": 0.13564,
    "h": 265.6
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#183280

secondary

#B49740

accent

#C03DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #183280

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

Preview Lab → · Contrast checker → · Palette generator →