#18156C#18156C

#18156C is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.143 H 273.4°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#18156C
RGB	rgb(24, 21, 108)
HSL	hsl(242, 67%, 25%)
HSV	hsv(242, 81%, 42%)
CMYK	cmyk(77.8%, 80.6%, 0%, 57.6%)
CIE-LAB	lab(14.47, 32.60, -49.26)
CIE-LCH	lch(14.47, 59.07, 303.50°)
OKLab	oklab(27.68% 0.0084 -0.1425)
OKLCH	oklch(27.68% 0.143 273.4)
XYZ	xyz(3.3507, 1.8129, 14.3578)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18156C #696C15

analogous

#153D6C #18156C #43156C

triadic

#18156C #6C1815 #156C18

tetradic

#18156C #6C153D #696C15 #156C43

square

#18156C #6C153D #696C15 #156C43

split-complementary

#18156C #6C4315 #3D6C15

monochromatic

#06051A #0D0B39 #18156C #231F9F #2F29D2

Accessibility & contrast

On white

15.41

#18156C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18156C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18156C

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18156C	#FFFFFF	#000000	##FFFFFF
##18156C	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296E

Deuteranopia (green-blind)

#00206A

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18156c;
/* rgb */ color: rgb(24, 21, 108);
/* oklch */ color: oklch(27.7% 0.143 273.4);

Tailwind

colors: {
  custom: {
    50: '#655497',
    500: '#18156c',
    950: '#000000',
  },
}

SCSS

$custom: #18156c;
$custom-light: #655497;
$custom-dark: #000000;

JSON

{
  "hex": "#18156c",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 108
  },
  "hsl": {
    "h": 242.069,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27677,
    "c": 0.14277,
    "h": 273.4
  },
  "luminance": 0.01813
}

Semantic roles & 50–950 ramp

primary

#18156C

secondary

#9FA33A

accent

#EA3DE4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #18156C

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

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