#18248F#18248F

#18248F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.173 H 268.7°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#18248F
RGB	rgb(24, 36, 143)
HSL	hsl(234, 71%, 33%)
HSV	hsv(234, 83%, 56%)
CMYK	cmyk(83.2%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(21.72, 36.10, -59.57)
CIE-LCH	lch(21.72, 69.65, 301.21°)
OKLab	oklab(34.01% -0.0039 -0.1726)
OKLCH	oklch(34.01% 0.173 268.7)
XYZ	xyz(5.9638, 3.4384, 26.3306)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18248F #8F8318

analogous

#185F8F #18248F #48188F

triadic

#18248F #8F1824 #248F18

tetradic

#18248F #8F185F #8F8318 #188F48

square

#18248F #8F185F #8F8318 #188F48

split-complementary

#18248F #8F4818 #5F8F18

monochromatic

#060A26 #0F175B #18248F #2131C3 #4252DF

Accessibility & contrast

On white

12.44

#18248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#18248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18248F

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18248F	#FFFFFF	#000000	##FFFFFF
##18248F	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18248f;
/* rgb */ color: rgb(24, 36, 143);
/* oklch */ color: oklch(34.0% 0.173 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d5fb1',
    500: '#18248f',
    950: '#000000',
  },
}

SCSS

$custom: #18248f;
$custom-light: #6d5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#18248f",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 233.95,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34011,
    "c": 0.17265,
    "h": 268.7
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#18248F

secondary

#C0B343

accent

#DC3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #18248F

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

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