#181880#181880

#181880 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.166 H 271.0°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#181880
RGB	rgb(24, 24, 128)
HSL	hsl(240, 68%, 30%)
HSV	hsv(240, 81%, 50%)
CMYK	cmyk(81.3%, 81.3%, 0%, 49.8%)
CIE-LAB	lab(17.49, 37.85, -57.16)
CIE-LCH	lch(17.49, 68.55, 303.52°)
OKLab	oklab(30.5% 0.0028 -0.1655)
OKLCH	oklch(30.5% 0.166 271)
XYZ	xyz(4.5983, 2.4055, 20.6398)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181880 #808018

analogous

#184C80 #181880 #4C1880

triadic

#181880 #801818 #188018

tetradic

#181880 #80184C #808018 #18804C

square

#181880 #80184C #808018 #18804C

split-complementary

#181880 #804C18 #4C8018

monochromatic

#05051A #0E0E4C #181880 #2222B4 #3939DA

Accessibility & contrast

On white

14.18

#181880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#181880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181880

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181880	#FFFFFF	#000000	##FFFFFF
##181880	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00257E

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #181880;
/* rgb */ color: rgb(24, 24, 128);
/* oklch */ color: oklch(30.5% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#6a57a6',
    500: '#181880',
    950: '#000000',
  },
}

SCSS

$custom: #181880;
$custom-light: #6a57a6;
$custom-dark: #000000;

JSON

{
  "hex": "#181880",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 128
  },
  "hsl": {
    "h": 240,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.305,
    "c": 0.1655,
    "h": 271
  },
  "luminance": 0.02406
}

Semantic roles & 50–950 ramp

primary

#181880

secondary

#B4B440

accent

#EB3DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #181880

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

Preview Lab → · Contrast checker → · Palette generator →