#18368F#18368F

#18368F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.152 H 265.2°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#18368F
RGB	rgb(24, 54, 143)
HSL	hsl(225, 71%, 33%)
HSV	hsv(225, 83%, 56%)
CMYK	cmyk(83.2%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(26.20, 24.15, -52.20)
CIE-LCH	lch(26.20, 57.52, 294.83°)
OKLab	oklab(37.29% -0.0126 -0.151)
OKLCH	oklch(37.29% 0.152 265.2)
XYZ	xyz(6.6520, 4.8149, 26.5601)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18368F #8F7118

analogous

#18718F #18368F #36188F

triadic

#18368F #8F1836 #368F18

tetradic

#18368F #8F1871 #8F7118 #188F36

square

#18368F #8F1871 #8F7118 #188F36

split-complementary

#18368F #8F3618 #718F18

monochromatic

#060E26 #0F225B #18368F #214AC3 #426ADF

Accessibility & contrast

On white

10.70

#18368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#18368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18368F

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18368F	#FFFFFF	#000000	##FFFFFF
##18368F	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #18368f;
/* rgb */ color: rgb(24, 54, 143);
/* oklch */ color: oklch(37.3% 0.152 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b6cb1',
    500: '#18368f',
    950: '#000000',
  },
}

SCSS

$custom: #18368f;
$custom-light: #6b6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#18368f",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 224.874,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37285,
    "c": 0.15155,
    "h": 265.2
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#18368F

secondary

#C0A043

accent

#C13AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #18368F

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

Preview Lab → · Contrast checker → · Palette generator →