#18156E#18156E

#18156E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.145 H 273.1°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#18156E
RGB	rgb(24, 21, 110)
HSL	hsl(242, 68%, 26%)
HSV	hsv(242, 81%, 43%)
CMYK	cmyk(78.2%, 80.9%, 0%, 56.9%)
CIE-LAB	lab(14.71, 33.30, -50.17)
CIE-LCH	lch(14.71, 60.22, 303.58°)
OKLab	oklab(27.92% 0.0079 -0.1452)
OKLCH	oklch(27.92% 0.145 273.1)
XYZ	xyz(3.4584, 1.8560, 14.9248)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18156E #6B6E15

analogous

#153F6E #18156E #44156E

triadic

#18156E #6E1815 #156E18

tetradic

#18156E #6E153F #6B6E15 #156E44

square

#18156E #6E153F #6B6E15 #156E44

split-complementary

#18156E #6E4415 #3F6E15

monochromatic

#06051A #0D0B3B #18156E #231FA1 #2E29D5

Accessibility & contrast

On white

15.32

#18156E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#18156E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18156E

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18156E	#FFFFFF	#000000	##FFFFFF
##18156E	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18156e;
/* rgb */ color: rgb(24, 21, 110);
/* oklch */ color: oklch(27.9% 0.145 273.1);

Tailwind

colors: {
  custom: {
    50: '#655499',
    500: '#18156e',
    950: '#000000',
  },
}

SCSS

$custom: #18156e;
$custom-light: #655499;
$custom-dark: #000000;

JSON

{
  "hex": "#18156e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 110
  },
  "hsl": {
    "h": 242.022,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27916,
    "c": 0.14539,
    "h": 273.1
  },
  "luminance": 0.01856
}

Semantic roles & 50–950 ramp

primary

#18156E

secondary

#A1A43A

accent

#EB3DE5

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18156E

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

Preview Lab → · Contrast checker → · Palette generator →