#18208E#18208E

#18208E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.175 H 269.2°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#18208E
RGB	rgb(24, 32, 142)
HSL	hsl(236, 71%, 33%)
HSV	hsv(236, 83%, 56%)
CMYK	cmyk(83.1%, 77.5%, 0%, 44.3%)
CIE-LAB	lab(20.75, 38.15, -60.55)
CIE-LCH	lch(20.75, 71.57, 302.21°)
OKLab	oklab(33.29% -0.0024 -0.1754)
OKLCH	oklch(33.29% 0.175 269.2)
XYZ	xyz(5.7740, 3.1795, 25.8953)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18208E #8E8618

analogous

#185B8E #18208E #4B188E

triadic

#18208E #8E1820 #208E18

tetradic

#18208E #8E185B #8E8618 #188E4B

square

#18208E #8E185B #8E8618 #188E4B

split-complementary

#18208E #8E4B18 #5B8E18

monochromatic

#060825 #0F145A #18208E #212CC2 #414CDF

Accessibility & contrast

On white

12.84

#18208E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18208E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18208E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18208E	#FFFFFF	#000000	##FFFFFF
##18208E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18208e;
/* rgb */ color: rgb(24, 32, 142);
/* oklch */ color: oklch(33.3% 0.175 269.2);

Tailwind

colors: {
  custom: {
    50: '#6d5db0',
    500: '#18208e',
    950: '#000000',
  },
}

SCSS

$custom: #18208e;
$custom-light: #6d5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#18208e",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 142
  },
  "hsl": {
    "h": 235.932,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33286,
    "c": 0.17546,
    "h": 269.2
  },
  "luminance": 0.0318
}

Semantic roles & 50–950 ramp

primary

#18208E

secondary

#C0B742

accent

#E23AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #18208E

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

Preview Lab → · Contrast checker → · Palette generator →