#18185C#18185C

#18185C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.3% C 0.117 H 274.8°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#18185C
RGB	rgb(24, 24, 92)
HSL	hsl(240, 59%, 23%)
HSV	hsv(240, 74%, 36%)
CMYK	cmyk(73.9%, 73.9%, 0%, 63.9%)
CIE-LAB	lab(13.35, 24.81, -40.52)
CIE-LCH	lch(13.35, 47.51, 301.48°)
OKLab	oklab(26.34% 0.0097 -0.1171)
OKLCH	oklch(26.34% 0.117 274.8)
XYZ	xyz(2.6345, 1.6199, 10.2970)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18185C #5C5C18

analogous

#183A5C #18185C #3A185C

triadic

#18185C #5C1818 #185C18

tetradic

#18185C #5C183A #5C5C18 #185C3A

square

#18185C #5C183A #5C5C18 #185C3A

split-complementary

#18185C #5C3A18 #3A5C18

monochromatic

#060618 #0B0B2B #18185C #25258D #3131BD

Accessibility & contrast

On white

15.86

#18185C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#18185C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18185C

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18185C	#FFFFFF	#000000	##FFFFFF
##18185C	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #18185c;
/* rgb */ color: rgb(24, 24, 92);
/* oklch */ color: oklch(26.3% 0.117 274.8);

Tailwind

colors: {
  custom: {
    50: '#60558b',
    500: '#18185c',
    950: '#000000',
  },
}

SCSS

$custom: #18185c;
$custom-light: #60558b;
$custom-dark: #000000;

JSON

{
  "hex": "#18185c",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 92
  },
  "hsl": {
    "h": 240,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26339,
    "c": 0.11746,
    "h": 274.8
  },
  "luminance": 0.0162
}

Semantic roles & 50–950 ramp

primary

#18185C

secondary

#93933D

accent

#E246E2

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #18185C

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

Preview Lab → · Contrast checker → · Palette generator →