#18179D#18179D

#18179D is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 34.0% C 0.201 H 269.1°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#18179D
RGB	rgb(24, 23, 157)
HSL	hsl(240, 74%, 35%)
HSV	hsv(240, 85%, 62%)
CMYK	cmyk(84.7%, 85.4%, 0%, 38.4%)
CIE-LAB	lab(20.98, 47.82, -69.43)
CIE-LCH	lch(20.98, 84.31, 304.56°)
OKLab	oklab(33.98% -0.0033 -0.201)
OKLCH	oklch(33.98% 0.201 269.1)
XYZ	xyz(6.7668, 3.2405, 32.1606)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18179D #9C9D17

analogous

#17599D #18179D #5B179D

triadic

#18179D #9D1817 #179D18

tetradic

#18179D #9D1759 #9C9D17 #179D5B

square

#18179D #9D1759 #9C9D17 #179D5B

split-complementary

#18179D #9D5B17 #599D17

monochromatic

#080732 #100F68 #18179D #201FD2 #4B4AE4

Accessibility & contrast

On white

12.74

#18179D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#18179D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18179D

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18179D	#FFFFFF	#000000	##FFFFFF
##18179D	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A1

Deuteranopia (green-blind)

#002B9B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18179d;
/* rgb */ color: rgb(24, 23, 157);
/* oklch */ color: oklch(34.0% 0.201 269.1);

Tailwind

colors: {
  custom: {
    50: '#7259bb',
    500: '#18179d',
    950: '#000000',
  },
}

SCSS

$custom: #18179d;
$custom-light: #7259bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18179d",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 157
  },
  "hsl": {
    "h": 240.448,
    "s": 74.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.20101,
    "h": 269.1
  },
  "luminance": 0.03241
}

Semantic roles & 50–950 ramp

primary

#18179D

secondary

#C5C64A

accent

#F137F0

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #18179D

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

Preview Lab → · Contrast checker → · Palette generator →