#18247C#18247C

#18247C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.148 H 269.4°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#18247C
RGB	rgb(24, 36, 124)
HSL	hsl(233, 68%, 29%)
HSV	hsv(233, 81%, 49%)
CMYK	cmyk(80.6%, 71%, 0%, 51.4%)
CIE-LAB	lab(19.68, 28.99, -50.98)
CIE-LCH	lch(19.68, 58.65, 299.62°)
OKLab	oklab(31.93% -0.0017 -0.1476)
OKLCH	oklch(31.93% 0.148 269.4)
XYZ	xyz(4.6444, 2.9107, 19.3819)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18247C #7C7018

analogous

#18567C #18247C #3E187C

triadic

#18247C #7C1824 #247C18

tetradic

#18247C #7C1856 #7C7018 #187C3E

square

#18247C #7C1856 #7C7018 #187C3E

split-complementary

#18247C #7C3E18 #567C18

monochromatic

#05071A #0E1549 #18247C #2233AF #364AD8

Accessibility & contrast

On white

13.27

#18247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#18247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18247C

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18247C	#FFFFFF	#000000	##FFFFFF
##18247C	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18247c;
/* rgb */ color: rgb(24, 36, 124);
/* oklch */ color: oklch(31.9% 0.148 269.4);

Tailwind

colors: {
  custom: {
    50: '#685fa3',
    500: '#18247c',
    950: '#000000',
  },
}

SCSS

$custom: #18247c;
$custom-light: #685fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#18247c",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 232.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31934,
    "c": 0.14763,
    "h": 269.4
  },
  "luminance": 0.02911
}

Semantic roles & 50–950 ramp

primary

#18247C

secondary

#B1A33F

accent

#D63DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18247C

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

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