#18197C#18197C

#18197C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.160 H 271.2°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#18197C
RGB	rgb(24, 25, 124)
HSL	hsl(239, 68%, 29%)
HSV	hsv(239, 81%, 49%)
CMYK	cmyk(80.6%, 79.8%, 0%, 51.4%)
CIE-LAB	lab(17.20, 35.90, -55.08)
CIE-LCH	lch(17.20, 65.75, 303.10°)
OKLab	oklab(30.16% 0.0033 -0.1595)
OKLCH	oklch(30.16% 0.16 271.2)
XYZ	xyz(4.3612, 2.3442, 19.2875)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197C #7C7B18

analogous

#184B7C #18197C #49187C

triadic

#18197C #7C1819 #197C18

tetradic

#18197C #7C184B #7C7B18 #187C49

square

#18197C #7C184B #7C7B18 #187C49

split-complementary

#18197C #7C4918 #4B7C18

monochromatic

#05051A #0E0F49 #18197C #2223AF #3638D8

Accessibility & contrast

On white

14.30

#18197C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18197C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197C

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197C	#FFFFFF	#000000	##FFFFFF
##18197C	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7F

Deuteranopia (green-blind)

#00257A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18197c;
/* rgb */ color: rgb(24, 25, 124);
/* oklch */ color: oklch(30.2% 0.160 271.2);

Tailwind

colors: {
  custom: {
    50: '#6957a3',
    500: '#18197c',
    950: '#000000',
  },
}

SCSS

$custom: #18197c;
$custom-light: #6957a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18197c",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 124
  },
  "hsl": {
    "h": 239.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30157,
    "c": 0.15952,
    "h": 271.2
  },
  "luminance": 0.02345
}

Semantic roles & 50–950 ramp

primary

#18197C

secondary

#B1AF3F

accent

#E93DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18197C

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

Preview Lab → · Contrast checker → · Palette generator →