#18348E#18348E

#18348E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.153 H 265.7°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#18348E
RGB	rgb(24, 52, 142)
HSL	hsl(226, 71%, 33%)
HSV	hsv(226, 83%, 56%)
CMYK	cmyk(83.1%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(25.57, 25.13, -52.62)
CIE-LCH	lch(25.57, 58.31, 295.53°)
OKLab	oklab(36.79% -0.0114 -0.1523)
OKLCH	oklch(36.79% 0.153 265.7)
XYZ	xyz(6.4854, 4.6024, 26.1325)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18348E #8E7218

analogous

#186F8E #18348E #37188E

triadic

#18348E #8E1834 #348E18

tetradic

#18348E #8E186F #8E7218 #188E37

square

#18348E #8E186F #8E7218 #188E37

split-complementary

#18348E #8E3718 #6F8E18

monochromatic

#060E25 #0F215A #18348E #2147C2 #4167DF

Accessibility & contrast

On white

10.93

#18348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#18348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18348E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18348E	#FFFFFF	#000000	##FFFFFF
##18348E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18348e;
/* rgb */ color: rgb(24, 52, 142);
/* oklch */ color: oklch(36.8% 0.153 265.7);

Tailwind

colors: {
  custom: {
    50: '#6b6bb0',
    500: '#18348e',
    950: '#000000',
  },
}

SCSS

$custom: #18348e;
$custom-light: #6b6bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#18348e",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 225.763,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36789,
    "c": 0.15269,
    "h": 265.7
  },
  "luminance": 0.04603
}

Semantic roles & 50–950 ramp

primary

#18348E

secondary

#C0A242

accent

#C33AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #18348E

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

Preview Lab → · Contrast checker → · Palette generator →