#18328F#18328F

#18328F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.157 H 266.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#18328F
RGB	rgb(24, 50, 143)
HSL	hsl(227, 71%, 33%)
HSV	hsv(227, 83%, 56%)
CMYK	cmyk(83.2%, 65%, 0%, 43.9%)
CIE-LAB	lab(25.13, 26.90, -53.96)
CIE-LCH	lch(25.13, 60.29, 296.50°)
OKLab	oklab(36.49% -0.0103 -0.1562)
OKLCH	oklch(36.49% 0.157 266.2)
XYZ	xyz(6.4735, 4.4578, 26.5005)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18328F #8F7518

analogous

#186D8F #18328F #3A188F

triadic

#18328F #8F1832 #328F18

tetradic

#18328F #8F186D #8F7518 #188F3A

square

#18328F #8F186D #8F7518 #188F3A

split-complementary

#18328F #8F3A18 #6D8F18

monochromatic

#060D26 #0F205B #18328F #2144C3 #4264DF

Accessibility & contrast

On white

11.10

#18328F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#18328F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18328F

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18328F	#FFFFFF	#000000	##FFFFFF
##18328F	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #18328f;
/* rgb */ color: rgb(24, 50, 143);
/* oklch */ color: oklch(36.5% 0.157 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#18328f',
    950: '#000000',
  },
}

SCSS

$custom: #18328f;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18328f",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 143
  },
  "hsl": {
    "h": 226.891,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36491,
    "c": 0.15654,
    "h": 266.2
  },
  "luminance": 0.04459
}

Semantic roles & 50–950 ramp

primary

#18328F

secondary

#C0A543

accent

#C73AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #18328F

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

Preview Lab → · Contrast checker → · Palette generator →