#18298F#18298F

#18298F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.167 H 268.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#18298F
RGB	rgb(24, 41, 143)
HSL	hsl(231, 71%, 33%)
HSV	hsv(231, 83%, 56%)
CMYK	cmyk(83.2%, 71.3%, 0%, 43.9%)
CIE-LAB	lab(22.87, 32.92, -57.67)
CIE-LCH	lch(22.87, 66.41, 299.72°)
OKLab	oklab(34.84% -0.0059 -0.1671)
OKLCH	oklch(34.84% 0.167 268)
XYZ	xyz(6.1258, 3.7625, 26.3847)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18298F #8F7E18

analogous

#18648F #18298F #43188F

triadic

#18298F #8F1829 #298F18

tetradic

#18298F #8F1864 #8F7E18 #188F43

square

#18298F #8F1864 #8F7E18 #188F43

split-complementary

#18298F #8F4318 #648F18

monochromatic

#060B26 #0F1A5B #18298F #2138C3 #4259DF

Accessibility & contrast

On white

11.98

#18298F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#18298F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18298F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18298F	#FFFFFF	#000000	##FFFFFF
##18298F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18298f;
/* rgb */ color: rgb(24, 41, 143);
/* oklch */ color: oklch(34.8% 0.167 268.0);

Tailwind

colors: {
  custom: {
    50: '#6c63b1',
    500: '#18298f',
    950: '#000000',
  },
}

SCSS

$custom: #18298f;
$custom-light: #6c63b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18298f",
  "rgb": {
    "r": 24,
    "g": 41,
    "b": 143
  },
  "hsl": {
    "h": 231.429,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34838,
    "c": 0.1672,
    "h": 268
  },
  "luminance": 0.03763
}

Semantic roles & 50–950 ramp

primary

#18298F

secondary

#C0AE43

accent

#D43AEE

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #18298F

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

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