#18345C#18345C

#18345C is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.6% C 0.079 H 257.6°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#18345C
RGB	rgb(24, 52, 92)
HSL	hsl(215, 59%, 23%)
HSV	hsv(215, 74%, 36%)
CMYK	cmyk(73.9%, 43.5%, 0%, 63.9%)
CIE-LAB	lab(21.66, 4.57, -27.06)
CIE-LCH	lch(21.66, 27.45, 279.59°)
OKLab	oklab(32.59% -0.017 -0.0772)
OKLCH	oklch(32.59% 0.079 257.6)
XYZ	xyz(3.5357, 3.4225, 10.5974)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18345C #5C4018

analogous

#18565C #18345C #1E185C

triadic

#18345C #5C1834 #345C18

tetradic

#18345C #5C1856 #5C4018 #185C1E

square

#18345C #5C1856 #5C4018 #185C1E

split-complementary

#18345C #5C1E18 #565C18

monochromatic

#060E18 #0B192B #18345C #254F8D #316BBD

Accessibility & contrast

On white

12.47

#18345C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#18345C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18345C

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18345C	#FFFFFF	#000000	##FFFFFF
##18345C	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22375E

Deuteranopia (green-blind)

#17315B

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18345c;
/* rgb */ color: rgb(24, 52, 92);
/* oklch */ color: oklch(32.6% 0.079 257.6);

Tailwind

colors: {
  custom: {
    50: '#5e6b8a',
    500: '#18345c',
    950: '#000000',
  },
}

SCSS

$custom: #18345c;
$custom-light: #5e6b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#18345c",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 92
  },
  "hsl": {
    "h": 215.294,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32591,
    "c": 0.07901,
    "h": 257.6
  },
  "luminance": 0.03423
}

Semantic roles & 50–950 ramp

primary

#18345C

secondary

#936F3D

accent

#A246E2

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18345C

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

Preview Lab → · Contrast checker → · Palette generator →