#18185B#18185B

#18185B is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.2% C 0.116 H 274.9°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#18185B
RGB	rgb(24, 24, 91)
HSL	hsl(240, 58%, 23%)
HSV	hsv(240, 74%, 36%)
CMYK	cmyk(73.6%, 73.6%, 0%, 64.3%)
CIE-LAB	lab(13.25, 24.42, -40.02)
CIE-LCH	lch(13.25, 46.88, 301.39°)
OKLab	oklab(26.23% 0.0099 -0.1156)
OKLCH	oklch(26.23% 0.116 274.9)
XYZ	xyz(2.5910, 1.6026, 10.0683)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18185B #5B5B18

analogous

#18395B #18185B #39185B

triadic

#18185B #5B1818 #185B18

tetradic

#18185B #5B1839 #5B5B18 #185B39

square

#18185B #5B1839 #5B5B18 #185B39

split-complementary

#18185B #5B3918 #395B18

monochromatic

#060618 #0B0B2B #18185B #25258B #3232BC

Accessibility & contrast

On white

15.90

#18185B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#18185B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18185B

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18185B	#FFFFFF	#000000	##FFFFFF
##18185B	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255D

Deuteranopia (green-blind)

#001F5A

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #18185b;
/* rgb */ color: rgb(24, 24, 91);
/* oklch */ color: oklch(26.2% 0.116 274.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18185b",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 91
  },
  "hsl": {
    "h": 240,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26231,
    "c": 0.11602,
    "h": 274.9
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#18185B

secondary

#92923D

accent

#E146E1

background

#F6F4F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #18185B

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

Preview Lab → · Contrast checker → · Palette generator →