#18138F#18138F

#18138F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.8% C 0.188 H 270.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#18138F
RGB	rgb(24, 19, 143)
HSL	hsl(242, 77%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.2%, 86.7%, 0%, 43.9%)
CIE-LAB	lab(18.55, 45.24, -64.82)
CIE-LCH	lch(18.55, 79.05, 304.91°)
OKLab	oklab(31.79% 0.0005 -0.1876)
OKLCH	oklch(31.79% 0.188 270.2)
XYZ	xyz(5.5658, 2.6425, 26.1980)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18138F #8A8F13

analogous

#134C8F #18138F #56138F

triadic

#18138F #8F1813 #138F18

tetradic

#18138F #8F134C #8A8F13 #138F56

square

#18138F #8F134C #8A8F13 #138F56

split-complementary

#18138F #8F5613 #4C8F13

monochromatic

#060523 #0F0C59 #18138F #211AC5 #3F38E5

Accessibility & contrast

On white

13.74

#18138F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18138F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18138F

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18138F	#FFFFFF	#000000	##FFFFFF
##18138F	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00278D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18138f;
/* rgb */ color: rgb(24, 19, 143);
/* oklch */ color: oklch(31.8% 0.188 270.2);

Tailwind

colors: {
  custom: {
    50: '#6f56b1',
    500: '#18138f',
    950: '#000000',
  },
}

SCSS

$custom: #18138f;
$custom-light: #6f56b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18138f",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 143
  },
  "hsl": {
    "h": 242.419,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31786,
    "c": 0.18758,
    "h": 270.2
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#18138F

secondary

#BDC33B

accent

#F335EB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18138F

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

Preview Lab → · Contrast checker → · Palette generator →