#18138E#18138E

#18138E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.186 H 270.2°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#18138E
RGB	rgb(24, 19, 142)
HSL	hsl(242, 76%, 32%)
HSV	hsv(242, 87%, 56%)
CMYK	cmyk(83.1%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(18.42, 44.92, -64.42)
CIE-LCH	lch(18.42, 78.54, 304.89°)
OKLab	oklab(31.66% 0.0008 -0.1864)
OKLCH	oklch(31.66% 0.186 270.2)
XYZ	xyz(5.4904, 2.6123, 25.8008)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18138E #898E13

analogous

#134C8E #18138E #56138E

triadic

#18138E #8E1813 #138E18

tetradic

#18138E #8E134C #898E13 #138E56

square

#18138E #8E134C #898E13 #138E56

split-complementary

#18138E #8E5613 #4C8E13

monochromatic

#060522 #0F0C58 #18138E #211AC4 #3E37E4

Accessibility & contrast

On white

13.79

#18138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#18138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18138E

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18138E	#FFFFFF	#000000	##FFFFFF
##18138E	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00268C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18138e;
/* rgb */ color: rgb(24, 19, 142);
/* oklch */ color: oklch(31.7% 0.186 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e56b0',
    500: '#18138e',
    950: '#000000',
  },
}

SCSS

$custom: #18138e;
$custom-light: #6e56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18138e",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 242.439,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31658,
    "c": 0.18641,
    "h": 270.2
  },
  "luminance": 0.02613
}

Semantic roles & 50–950 ramp

primary

#18138E

secondary

#BDC23B

accent

#F335EB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18138E

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

Preview Lab → · Contrast checker → · Palette generator →