#18348C#18348C

#18348C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.150 H 265.6°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#18348C
RGB	rgb(24, 52, 140)
HSL	hsl(226, 71%, 32%)
HSV	hsv(226, 83%, 55%)
CMYK	cmyk(82.9%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(25.39, 24.33, -51.67)
CIE-LCH	lch(25.39, 57.11, 295.22°)
OKLab	oklab(36.6% -0.0114 -0.1495)
OKLCH	oklch(36.6% 0.15 265.6)
XYZ	xyz(6.3366, 4.5429, 25.3488)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18348C #8C7018

analogous

#186E8C #18348C #36188C

triadic

#18348C #8C1834 #348C18

tetradic

#18348C #8C186E #8C7018 #188C36

square

#18348C #8C186E #8C7018 #188C36

split-complementary

#18348C #8C3618 #6E8C18

monochromatic

#060D24 #0F2158 #18348C #2147C0 #4066DE

Accessibility & contrast

On white

11.00

#18348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#18348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18348C

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18348C	#FFFFFF	#000000	##FFFFFF
##18348C	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #18348c;
/* rgb */ color: rgb(24, 52, 140);
/* oklch */ color: oklch(36.6% 0.150 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b6bae',
    500: '#18348c',
    950: '#000000',
  },
}

SCSS

$custom: #18348c;
$custom-light: #6b6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#18348c",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 225.517,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36599,
    "c": 0.14993,
    "h": 265.6
  },
  "luminance": 0.04544
}

Semantic roles & 50–950 ramp

primary

#18348C

secondary

#BFA041

accent

#C23AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #18348C

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

Preview Lab → · Contrast checker → · Palette generator →