#18509F#18509F

#18509F is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.2% C 0.141 H 258.2°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#18509F
RGB	rgb(24, 80, 159)
HSL	hsl(215, 74%, 36%)
HSV	hsv(215, 85%, 62%)
CMYK	cmyk(84.9%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(34.87, 12.78, -47.87)
CIE-LCH	lch(34.87, 49.55, 284.95°)
OKLab	oklab(44.25% -0.0289 -0.1378)
OKLCH	oklch(44.25% 0.141 258.2)
XYZ	xyz(9.5011, 8.4335, 33.9212)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18509F #9F6718

analogous

#18939F #18509F #23189F

triadic

#18509F #9F1850 #509F18

tetradic

#18509F #9F1893 #9F6718 #189F23

square

#18509F #9F1893 #9F6718 #189F23

split-complementary

#18509F #9F2318 #939F18

monochromatic

#081A35 #10356A #18509F #206BD4 #4D8CE4

Accessibility & contrast

On white

7.82

#18509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#18509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18509F

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18509F	#FFFFFF	#000000	##FFFFFF
##18509F	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2058A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18509f;
/* rgb */ color: rgb(24, 80, 159);
/* oklch */ color: oklch(44.2% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#6e80bc',
    500: '#18509f',
    950: '#000000',
  },
}

SCSS

$custom: #18509f;
$custom-light: #6e80bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18509f",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 215.111,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44248,
    "c": 0.14078,
    "h": 258.2
  },
  "luminance": 0.08435
}

Semantic roles & 50–950 ramp

primary

#18509F

secondary

#C6944D

accent

#A437F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #18509F

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

Preview Lab → · Contrast checker → · Palette generator →