#18339F#18339F

#18339F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.177 H 266.3°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#18339F
RGB	rgb(24, 51, 159)
HSL	hsl(228, 74%, 36%)
HSV	hsv(228, 85%, 62%)
CMYK	cmyk(84.9%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(26.92, 32.45, -60.84)
CIE-LCH	lch(26.92, 68.95, 298.07°)
OKLab	oklab(38.27% -0.0114 -0.1763)
OKLCH	oklch(38.27% 0.177 266.3)
XYZ	xyz(7.8163, 5.0641, 33.3597)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18339F #9F8418

analogous

#18769F #18339F #40189F

triadic

#18339F #9F1833 #339F18

tetradic

#18339F #9F1876 #9F8418 #189F40

square

#18339F #9F1876 #9F8418 #189F40

split-complementary

#18339F #9F4018 #769F18

monochromatic

#081135 #10226A #18339F #2044D4 #4D6BE4

Accessibility & contrast

On white

10.43

#18339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#18339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18339F

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18339F	#FFFFFF	#000000	##FFFFFF
##18339F	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #18339f;
/* rgb */ color: rgb(24, 51, 159);
/* oklch */ color: oklch(38.3% 0.177 266.3);

Tailwind

colors: {
  custom: {
    50: '#706abc',
    500: '#18339f',
    950: '#000000',
  },
}

SCSS

$custom: #18339f;
$custom-light: #706abc;
$custom-dark: #000000;

JSON

{
  "hex": "#18339f",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 228,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3827,
    "c": 0.17666,
    "h": 266.3
  },
  "luminance": 0.05065
}

Semantic roles & 50–950 ramp

primary

#18339F

secondary

#C6AE4D

accent

#CB37F0

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #18339F

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

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