#18345D#18345D

#18345D is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.081 H 258.0°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#18345D
RGB	rgb(24, 52, 93)
HSL	hsl(216, 59%, 23%)
HSV	hsv(216, 74%, 36%)
CMYK	cmyk(74.2%, 44.1%, 0%, 63.5%)
CIE-LAB	lab(21.73, 4.98, -27.62)
CIE-LCH	lch(21.73, 28.06, 280.23°)
OKLab	oklab(32.66% -0.0167 -0.0788)
OKLCH	oklch(32.66% 0.081 258)
XYZ	xyz(3.5797, 3.4401, 10.8292)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18345D #5D4118

analogous

#18565D #18345D #1E185D

triadic

#18345D #5D1834 #345D18

tetradic

#18345D #5D1856 #5D4118 #185D1E

square

#18345D #5D1856 #5D4118 #185D1E

split-complementary

#18345D #5D1E18 #565D18

monochromatic

#060E18 #0B192C #18345D #254F8E #316ABE

Accessibility & contrast

On white

12.44

#18345D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#18345D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18345D

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18345D	#FFFFFF	#000000	##FFFFFF
##18345D	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21385F

Deuteranopia (green-blind)

#16315C

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18345d;
/* rgb */ color: rgb(24, 52, 93);
/* oklch */ color: oklch(32.7% 0.081 258.0);

Tailwind

colors: {
  custom: {
    50: '#5e6b8b',
    500: '#18345d',
    950: '#000000',
  },
}

SCSS

$custom: #18345d;
$custom-light: #5e6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18345d",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 93
  },
  "hsl": {
    "h": 215.652,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32662,
    "c": 0.08055,
    "h": 258
  },
  "luminance": 0.0344
}

Semantic roles & 50–950 ramp

primary

#18345D

secondary

#93713D

accent

#A346E2

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18345D

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

Preview Lab → · Contrast checker → · Palette generator →