#18206C#18206C

#18206C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.130 H 271.0°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#18206C
RGB	rgb(24, 32, 108)
HSL	hsl(234, 64%, 26%)
HSV	hsv(234, 78%, 42%)
CMYK	cmyk(77.8%, 70.4%, 0%, 57.6%)
CIE-LAB	lab(17.03, 25.51, -45.04)
CIE-LCH	lch(17.03, 51.76, 299.53°)
OKLab	oklab(29.51% 0.0023 -0.1303)
OKLCH	oklch(29.51% 0.13 271)
XYZ	xyz(3.5991, 2.3095, 14.4406)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18206C #6C6418

analogous

#184A6C #18206C #3A186C

triadic

#18206C #6C1820 #206C18

tetradic

#18206C #6C184A #6C6418 #186C3A

square

#18206C #6C184A #6C6418 #186C3A

split-complementary

#18206C #6C3A18 #4A6C18

monochromatic

#060719 #0D113A #18206C #232F9E #2E3ED0

Accessibility & contrast

On white

14.36

#18206C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#18206C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18206C

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18206C	#FFFFFF	#000000	##FFFFFF
##18206C	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#00266B

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18206c;
/* rgb */ color: rgb(24, 32, 108);
/* oklch */ color: oklch(29.5% 0.130 271.0);

Tailwind

colors: {
  custom: {
    50: '#645b97',
    500: '#18206c',
    950: '#000000',
  },
}

SCSS

$custom: #18206c;
$custom-light: #645b97;
$custom-dark: #000000;

JSON

{
  "hex": "#18206c",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 108
  },
  "hsl": {
    "h": 234.286,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29512,
    "c": 0.13028,
    "h": 271
  },
  "luminance": 0.0231
}

Semantic roles & 50–950 ramp

primary

#18206C

secondary

#A2983E

accent

#D741E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18206C

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

Preview Lab → · Contrast checker → · Palette generator →