#18348F#18348F

#18348F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.154 H 265.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#18348F
RGB	rgb(24, 52, 143)
HSL	hsl(226, 71%, 33%)
HSV	hsv(226, 83%, 56%)
CMYK	cmyk(83.2%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(25.66, 25.53, -53.09)
CIE-LCH	lch(25.66, 58.91, 295.68°)
OKLab	oklab(36.88% -0.0114 -0.1536)
OKLCH	oklch(36.88% 0.154 265.7)
XYZ	xyz(6.5609, 4.6326, 26.5297)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18348F #8F7318

analogous

#18708F #18348F #37188F

triadic

#18348F #8F1834 #348F18

tetradic

#18348F #8F1870 #8F7318 #188F37

square

#18348F #8F1870 #8F7318 #188F37

split-complementary

#18348F #8F3718 #708F18

monochromatic

#060E26 #0F215B #18348F #2147C3 #4267DF

Accessibility & contrast

On white

10.90

#18348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#18348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18348F

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18348F	#FFFFFF	#000000	##FFFFFF
##18348F	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#00378D

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18348f;
/* rgb */ color: rgb(24, 52, 143);
/* oklch */ color: oklch(36.9% 0.154 265.7);

Tailwind

colors: {
  custom: {
    50: '#6b6bb1',
    500: '#18348f',
    950: '#000000',
  },
}

SCSS

$custom: #18348f;
$custom-light: #6b6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#18348f",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 225.882,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36884,
    "c": 0.15406,
    "h": 265.7
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#18348F

secondary

#C0A343

accent

#C43AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #18348F

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

Preview Lab → · Contrast checker → · Palette generator →