#18489F#18489F

#18489F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.5% C 0.151 H 261.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#18489F
RGB	rgb(24, 72, 159)
HSL	hsl(219, 74%, 36%)
HSV	hsv(219, 85%, 62%)
CMYK	cmyk(84.9%, 54.7%, 0%, 37.6%)
CIE-LAB	lab(32.55, 18.21, -51.63)
CIE-LCH	lch(32.55, 54.75, 289.43°)
OKLab	oklab(42.47% -0.0232 -0.149)
OKLCH	oklch(42.47% 0.151 261.2)
XYZ	xyz(8.9498, 7.3310, 33.7375)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18489F #9F6F18

analogous

#188B9F #18489F #2C189F

triadic

#18489F #9F1848 #489F18

tetradic

#18489F #9F188B #9F6F18 #189F2C

square

#18489F #9F188B #9F6F18 #189F2C

split-complementary

#18489F #9F2C18 #8B9F18

monochromatic

#081835 #10306A #18489F #2060D4 #4D83E4

Accessibility & contrast

On white

8.51

#18489F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#18489F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18489F

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18489F	#FFFFFF	#000000	##FFFFFF
##18489F	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18489f;
/* rgb */ color: rgb(24, 72, 159);
/* oklch */ color: oklch(42.5% 0.151 261.2);

Tailwind

colors: {
  custom: {
    50: '#6e7abc',
    500: '#18489f',
    950: '#000000',
  },
}

SCSS

$custom: #18489f;
$custom-light: #6e7abc;
$custom-dark: #000000;

JSON

{
  "hex": "#18489f",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 159
  },
  "hsl": {
    "h": 218.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42474,
    "c": 0.1508,
    "h": 261.2
  },
  "luminance": 0.07332
}

Semantic roles & 50–950 ramp

primary

#18489F

secondary

#C69B4D

accent

#AF37F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #18489F

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

Preview Lab → · Contrast checker → · Palette generator →