#18345F#18345F

#18345F is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.8% C 0.084 H 258.8°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#18345F
RGB	rgb(24, 52, 95)
HSL	hsl(216, 60%, 23%)
HSV	hsv(216, 75%, 37%)
CMYK	cmyk(74.7%, 45.3%, 0%, 62.7%)
CIE-LAB	lab(21.86, 5.81, -28.72)
CIE-LCH	lch(21.86, 29.30, 281.44°)
OKLab	oklab(32.81% -0.0163 -0.082)
OKLCH	oklch(32.81% 0.084 258.8)
XYZ	xyz(3.6695, 3.4760, 11.3018)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18345F #5F4318

analogous

#18575F #18345F #1F185F

triadic

#18345F #5F1834 #345F18

tetradic

#18345F #5F1857 #5F4318 #185F1F

square

#18345F #5F1857 #5F4318 #185F1F

split-complementary

#18345F #5F1F18 #575F18

monochromatic

#060D18 #0C192E #18345F #244F90 #3169C1

Accessibility & contrast

On white

12.39

#18345F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#18345F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18345F

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18345F	#FFFFFF	#000000	##FFFFFF
##18345F	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203861

Deuteranopia (green-blind)

#14315E

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18345f;
/* rgb */ color: rgb(24, 52, 95);
/* oklch */ color: oklch(32.8% 0.084 258.8);

Tailwind

colors: {
  custom: {
    50: '#5f6b8d',
    500: '#18345f',
    950: '#000000',
  },
}

SCSS

$custom: #18345f;
$custom-light: #5f6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#18345f",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 95
  },
  "hsl": {
    "h": 216.338,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32806,
    "c": 0.08363,
    "h": 258.8
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#18345F

secondary

#95733D

accent

#A545E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18345F

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

Preview Lab → · Contrast checker → · Palette generator →