#18136B#18136B

#18136B is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.3% C 0.143 H 273.8°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#18136B
RGB	rgb(24, 19, 107)
HSL	hsl(243, 70%, 25%)
HSV	hsv(243, 82%, 42%)
CMYK	cmyk(77.6%, 82.2%, 0%, 58%)
CIE-LAB	lab(13.95, 33.40, -49.47)
CIE-LCH	lch(13.95, 59.69, 304.03°)
OKLab	oklab(27.27% 0.0095 -0.1431)
OKLCH	oklch(27.27% 0.143 273.8)
XYZ	xyz(3.2625, 1.7211, 14.0673)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18136B #666B13

analogous

#133A6B #18136B #44136B

triadic

#18136B #6B1813 #136B18

tetradic

#18136B #6B133A #666B13 #136B44

square

#18136B #6B133A #666B13 #136B44

split-complementary

#18136B #6B4413 #3A6B13

monochromatic

#06051A #0C0A37 #18136B #241C9F #2F25D3

Accessibility & contrast

On white

15.62

#18136B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#18136B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18136B

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18136B	#FFFFFF	#000000	##FFFFFF
##18136B	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286D

Deuteranopia (green-blind)

#001F69

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #18136b;
/* rgb */ color: rgb(24, 19, 107);
/* oklch */ color: oklch(27.3% 0.143 273.8);

Tailwind

colors: {
  custom: {
    50: '#655396',
    500: '#18136b',
    950: '#000000',
  },
}

SCSS

$custom: #18136b;
$custom-light: #655396;
$custom-dark: #000000;

JSON

{
  "hex": "#18136b",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 107
  },
  "hsl": {
    "h": 243.409,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27274,
    "c": 0.14343,
    "h": 273.8
  },
  "luminance": 0.01721
}

Semantic roles & 50–950 ramp

primary

#18136B

secondary

#9CA238

accent

#ED3BE3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #18136B

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

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