#182580#182580

#182580 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.152 H 269.0°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#182580
RGB	rgb(24, 37, 128)
HSL	hsl(233, 68%, 30%)
HSV	hsv(233, 81%, 50%)
CMYK	cmyk(81.3%, 71.1%, 0%, 49.8%)
CIE-LAB	lab(20.34, 29.86, -52.44)
CIE-LCH	lch(20.34, 60.34, 299.66°)
OKLab	oklab(32.54% -0.0026 -0.1519)
OKLCH	oklch(32.54% 0.152 269)
XYZ	xyz(4.9332, 3.0753, 20.7515)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182580 #807318

analogous

#185980 #182580 #3F1880

triadic

#182580 #801825 #258018

tetradic

#182580 #801859 #807318 #18803F

square

#182580 #801859 #807318 #18803F

split-complementary

#182580 #803F18 #598018

monochromatic

#05071A #0E164C #182580 #2234B4 #394DDA

Accessibility & contrast

On white

13.00

#182580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#182580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182580

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182580	#FFFFFF	#000000	##FFFFFF
##182580	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003683

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182580;
/* rgb */ color: rgb(24, 37, 128);
/* oklch */ color: oklch(32.5% 0.152 269.0);

Tailwind

colors: {
  custom: {
    50: '#695fa6',
    500: '#182580',
    950: '#000000',
  },
}

SCSS

$custom: #182580;
$custom-light: #695fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#182580",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 128
  },
  "hsl": {
    "h": 232.5,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32538,
    "c": 0.15187,
    "h": 269
  },
  "luminance": 0.03076
}

Semantic roles & 50–950 ramp

primary

#182580

secondary

#B4A640

accent

#D53DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #182580

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

Preview Lab → · Contrast checker → · Palette generator →