#18185E#18185E

#18185E is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.6% C 0.120 H 274.5°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#18185E
RGB	rgb(24, 24, 94)
HSL	hsl(240, 59%, 23%)
HSV	hsv(240, 74%, 37%)
CMYK	cmyk(74.5%, 74.5%, 0%, 63.1%)
CIE-LAB	lab(13.56, 25.56, -41.50)
CIE-LCH	lch(13.56, 48.74, 301.63°)
OKLab	oklab(26.56% 0.0094 -0.1199)
OKLCH	oklch(26.56% 0.12 274.5)
XYZ	xyz(2.7230, 1.6554, 10.7635)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18185E #5E5E18

analogous

#183B5E #18185E #3B185E

triadic

#18185E #5E1818 #185E18

tetradic

#18185E #5E183B #5E5E18 #185E3B

square

#18185E #5E183B #5E5E18 #185E3B

split-complementary

#18185E #5E3B18 #3B5E18

monochromatic

#060618 #0C0C2D #18185E #24248F #3131C0

Accessibility & contrast

On white

15.78

#18185E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#18185E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18185E

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18185E	#FFFFFF	#000000	##FFFFFF
##18185E	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #18185e;
/* rgb */ color: rgb(24, 24, 94);
/* oklch */ color: oklch(26.6% 0.120 274.5);

Tailwind

colors: {
  custom: {
    50: '#61558c',
    500: '#18185e',
    950: '#000000',
  },
}

SCSS

$custom: #18185e;
$custom-light: #61558c;
$custom-dark: #000000;

JSON

{
  "hex": "#18185e",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 94
  },
  "hsl": {
    "h": 240,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26556,
    "c": 0.12032,
    "h": 274.5
  },
  "luminance": 0.01656
}

Semantic roles & 50–950 ramp

primary

#18185E

secondary

#94943D

accent

#E345E3

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #18185E

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

Preview Lab → · Contrast checker → · Palette generator →