#18156F#18156F

#18156F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.147 H 273.0°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#18156F
RGB	rgb(24, 21, 111)
HSL	hsl(242, 68%, 26%)
HSV	hsv(242, 81%, 44%)
CMYK	cmyk(78.4%, 81.1%, 0%, 56.5%)
CIE-LAB	lab(14.83, 33.65, -50.62)
CIE-LCH	lch(14.83, 60.79, 303.62°)
OKLab	oklab(28.04% 0.0077 -0.1465)
OKLCH	oklch(28.04% 0.147 273)
XYZ	xyz(3.5131, 1.8779, 15.2132)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18156F #6C6F15

analogous

#153F6F #18156F #45156F

triadic

#18156F #6F1815 #156F18

tetradic

#18156F #6F153F #6C6F15 #156F45

square

#18156F #6F153F #6C6F15 #156F45

split-complementary

#18156F #6F4515 #3F6F15

monochromatic

#06051A #0D0B3C #18156F #231FA2 #2E28D6

Accessibility & contrast

On white

15.27

#18156F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18156F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18156F

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18156F	#FFFFFF	#000000	##FFFFFF
##18156F	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18156f;
/* rgb */ color: rgb(24, 21, 111);
/* oklch */ color: oklch(28.0% 0.147 273.0);

Tailwind

colors: {
  custom: {
    50: '#665499',
    500: '#18156f',
    950: '#000000',
  },
}

SCSS

$custom: #18156f;
$custom-light: #665499;
$custom-dark: #000000;

JSON

{
  "hex": "#18156f",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 111
  },
  "hsl": {
    "h": 242,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28036,
    "c": 0.14668,
    "h": 273
  },
  "luminance": 0.01878
}

Semantic roles & 50–950 ramp

primary

#18156F

secondary

#A2A53A

accent

#EB3DE5

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18156F

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

Preview Lab → · Contrast checker → · Palette generator →