#18345E#18345E

#18345E is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.7% C 0.082 H 258.4°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#18345E
RGB	rgb(24, 52, 94)
HSL	hsl(216, 59%, 23%)
HSV	hsv(216, 74%, 37%)
CMYK	cmyk(74.5%, 44.7%, 0%, 63.1%)
CIE-LAB	lab(21.79, 5.40, -28.17)
CIE-LCH	lch(21.79, 28.68, 280.85°)
OKLab	oklab(32.73% -0.0165 -0.0804)
OKLCH	oklch(32.73% 0.082 258.4)
XYZ	xyz(3.6243, 3.4579, 11.0639)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18345E #5E4218

analogous

#18575E #18345E #1F185E

triadic

#18345E #5E1834 #345E18

tetradic

#18345E #5E1857 #5E4218 #185E1F

square

#18345E #5E1857 #5E4218 #185E1F

split-complementary

#18345E #5E1F18 #575E18

monochromatic

#060D18 #0C192D #18345E #244F8F #316AC0

Accessibility & contrast

On white

12.41

#18345E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#18345E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18345E

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18345E	#FFFFFF	#000000	##FFFFFF
##18345E	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203860

Deuteranopia (green-blind)

#15315D

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18345e;
/* rgb */ color: rgb(24, 52, 94);
/* oklch */ color: oklch(32.7% 0.082 258.4);

Tailwind

colors: {
  custom: {
    50: '#5f6b8c',
    500: '#18345e',
    950: '#000000',
  },
}

SCSS

$custom: #18345e;
$custom-light: #5f6b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#18345e",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 94
  },
  "hsl": {
    "h": 216,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.32734,
    "c": 0.08209,
    "h": 258.4
  },
  "luminance": 0.03458
}

Semantic roles & 50–950 ramp

primary

#18345E

secondary

#94723D

accent

#A445E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18345E

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

Preview Lab → · Contrast checker → · Palette generator →