#18197D#18197D

#18197D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.161 H 271.1°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#18197D
RGB	rgb(24, 25, 125)
HSL	hsl(239, 68%, 29%)
HSV	hsv(239, 81%, 49%)
CMYK	cmyk(80.8%, 80%, 0%, 51%)
CIE-LAB	lab(17.32, 36.25, -55.52)
CIE-LCH	lch(17.32, 66.31, 303.14°)
OKLab	oklab(30.28% 0.0031 -0.1608)
OKLCH	oklch(30.28% 0.161 271.1)
XYZ	xyz(4.4247, 2.3696, 19.6222)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197D #7D7C18

analogous

#184C7D #18197D #4A187D

triadic

#18197D #7D1819 #197D18

tetradic

#18197D #7D184C #7D7C18 #187D4A

square

#18197D #7D184C #7D7C18 #187D4A

split-complementary

#18197D #7D4A18 #4C7D18

monochromatic

#05051A #0E0F4A #18197D #2223B0 #3738D9

Accessibility & contrast

On white

14.25

#18197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197D

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197D	#FFFFFF	#000000	##FFFFFF
##18197D	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00257B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18197d;
/* rgb */ color: rgb(24, 25, 125);
/* oklch */ color: oklch(30.3% 0.161 271.1);

Tailwind

colors: {
  custom: {
    50: '#6957a4',
    500: '#18197d',
    950: '#000000',
  },
}

SCSS

$custom: #18197d;
$custom-light: #6957a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18197d",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 239.406,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30277,
    "c": 0.1608,
    "h": 271.1
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#18197D

secondary

#B2B03F

accent

#E93DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18197D

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

Preview Lab → · Contrast checker → · Palette generator →