#18106D#18106D

#18106D is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.149 H 273.9°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#18106D
RGB	rgb(24, 16, 109)
HSL	hsl(245, 74%, 25%)
HSV	hsv(245, 85%, 43%)
CMYK	cmyk(78%, 85.3%, 0%, 57.3%)
CIE-LAB	lab(13.64, 35.70, -51.29)
CIE-LCH	lch(13.64, 62.49, 304.84°)
OKLab	oklab(27.13% 0.0102 -0.1483)
OKLCH	oklch(27.13% 0.149 273.9)
XYZ	xyz(3.3214, 1.6686, 14.6121)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18106D #656D10

analogous

#10376D #18106D #47106D

triadic

#18106D #6D1810 #106D18

tetradic

#18106D #6D1037 #656D10 #106D47

square

#18106D #6D1037 #656D10 #106D47

split-complementary

#18106D #6D4710 #376D10

monochromatic

#06041B #0C0838 #18106D #2418A2 #3020D8

Accessibility & contrast

On white

15.74

#18106D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#18106D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18106D

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18106D	#FFFFFF	#000000	##FFFFFF
##18106D	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002770

Deuteranopia (green-blind)

#001E6B

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #18106d;
/* rgb */ color: rgb(24, 16, 109);
/* oklch */ color: oklch(27.1% 0.149 273.9);

Tailwind

colors: {
  custom: {
    50: '#665198',
    500: '#18106d',
    950: '#000000',
  },
}

SCSS

$custom: #18106d;
$custom-light: #665198;
$custom-dark: #000000;

JSON

{
  "hex": "#18106d",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 109
  },
  "hsl": {
    "h": 245.161,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27133,
    "c": 0.14869,
    "h": 273.9
  },
  "luminance": 0.01669
}

Semantic roles & 50–950 ramp

primary

#18106D

secondary

#9BA534

accent

#F137E1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #18106D

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

Preview Lab → · Contrast checker → · Palette generator →