#18156A#18156A

#18156A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.140 H 273.6°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#18156A
RGB	rgb(24, 21, 106)
HSL	hsl(242, 67%, 25%)
HSV	hsv(242, 80%, 42%)
CMYK	cmyk(77.4%, 80.2%, 0%, 58.4%)
CIE-LAB	lab(14.24, 31.89, -48.34)
CIE-LCH	lch(14.24, 57.91, 303.41°)
OKLab	oklab(27.44% 0.0089 -0.1399)
OKLCH	oklch(27.44% 0.14 273.6)
XYZ	xyz(3.2455, 1.7708, 13.8036)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18156A #676A15

analogous

#153C6A #18156A #43156A

triadic

#18156A #6A1815 #156A18

tetradic

#18156A #6A153C #676A15 #156A43

square

#18156A #6A153C #676A15 #156A43

split-complementary

#18156A #6A4315 #3C6A15

monochromatic

#06051A #0C0B37 #18156A #241F9D #2F29D0

Accessibility & contrast

On white

15.51

#18156A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#18156A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18156A

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18156A	#FFFFFF	#000000	##FFFFFF
##18156A	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18156a;
/* rgb */ color: rgb(24, 21, 106);
/* oklch */ color: oklch(27.4% 0.140 273.6);

Tailwind

colors: {
  custom: {
    50: '#645496',
    500: '#18156a',
    950: '#000000',
  },
}

SCSS

$custom: #18156a;
$custom-light: #645496;
$custom-dark: #000000;

JSON

{
  "hex": "#18156a",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 106
  },
  "hsl": {
    "h": 242.118,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.2744,
    "c": 0.14014,
    "h": 273.6
  },
  "luminance": 0.01771
}

Semantic roles & 50–950 ramp

primary

#18156A

secondary

#9DA13A

accent

#EA3EE4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #18156A

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

Preview Lab → · Contrast checker → · Palette generator →