#18328E#18328E

#18328E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.155 H 266.2°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#18328E
RGB	rgb(24, 50, 142)
HSL	hsl(227, 71%, 33%)
HSV	hsv(227, 83%, 56%)
CMYK	cmyk(83.1%, 64.8%, 0%, 44.3%)
CIE-LAB	lab(25.04, 26.51, -53.49)
CIE-LCH	lch(25.04, 59.70, 296.36°)
OKLab	oklab(36.39% -0.0103 -0.1548)
OKLCH	oklch(36.39% 0.155 266.2)
XYZ	xyz(6.3981, 4.4276, 26.1034)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18328E #8E7418

analogous

#186D8E #18328E #39188E

triadic

#18328E #8E1832 #328E18

tetradic

#18328E #8E186D #8E7418 #188E39

square

#18328E #8E186D #8E7418 #188E39

split-complementary

#18328E #8E3918 #6D8E18

monochromatic

#060D25 #0F205A #18328E #2144C2 #4164DF

Accessibility & contrast

On white

11.14

#18328E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#18328E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18328E

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18328E	#FFFFFF	#000000	##FFFFFF
##18328E	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18328e;
/* rgb */ color: rgb(24, 50, 142);
/* oklch */ color: oklch(36.4% 0.155 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b69b0',
    500: '#18328e',
    950: '#000000',
  },
}

SCSS

$custom: #18328e;
$custom-light: #6b69b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18328e",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 142
  },
  "hsl": {
    "h": 226.78,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36394,
    "c": 0.15518,
    "h": 266.2
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#18328E

secondary

#C0A442

accent

#C63AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #18328E

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

Preview Lab → · Contrast checker → · Palette generator →