#18198A#18198A

#18198A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.177 H 270.1°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#18198A
RGB	rgb(24, 25, 138)
HSL	hsl(239, 70%, 32%)
HSV	hsv(239, 83%, 54%)
CMYK	cmyk(82.6%, 81.9%, 0%, 45.9%)
CIE-LAB	lab(18.90, 40.70, -61.11)
CIE-LCH	lch(18.90, 73.43, 303.67°)
OKLab	oklab(31.85% 0.0004 -0.177)
OKLCH	oklch(31.85% 0.177 270.1)
XYZ	xyz(5.3102, 2.7238, 24.2857)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18198A #8A8918

analogous

#18528A #18198A #50188A

triadic

#18198A #8A1819 #198A18

tetradic

#18198A #8A1852 #8A8918 #188A50

square

#18198A #8A1852 #8A8918 #188A50

split-complementary

#18198A #8A5018 #528A18

monochromatic

#060622 #0F1056 #18198A #2122BE #3F40DE

Accessibility & contrast

On white

13.59

#18198A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#18198A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18198A

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18198A	#FFFFFF	#000000	##FFFFFF
##18198A	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18198a;
/* rgb */ color: rgb(24, 25, 138);
/* oklch */ color: oklch(31.8% 0.177 270.1);

Tailwind

colors: {
  custom: {
    50: '#6d58ad',
    500: '#18198a',
    950: '#000000',
  },
}

SCSS

$custom: #18198a;
$custom-light: #6d58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18198a",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 138
  },
  "hsl": {
    "h": 239.474,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31847,
    "c": 0.17697,
    "h": 270.1
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#18198A

secondary

#BDBC40

accent

#EC3BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #18198A

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

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