#18489D#18489D

#18489D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.3% C 0.148 H 260.9°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#18489D
RGB	rgb(24, 72, 157)
HSL	hsl(218, 73%, 35%)
HSV	hsv(218, 85%, 62%)
CMYK	cmyk(84.7%, 54.1%, 0%, 38.4%)
CIE-LAB	lab(32.40, 17.40, -50.67)
CIE-LCH	lch(32.40, 53.57, 288.95°)
OKLab	oklab(42.31% -0.0234 -0.1462)
OKLCH	oklch(42.31% 0.148 260.9)
XYZ	xyz(8.7776, 7.2622, 32.8309)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18489D #9D6D18

analogous

#188A9D #18489D #2A189D

triadic

#18489D #9D1848 #489D18

tetradic

#18489D #9D188A #9D6D18 #189D2A

square

#18489D #9D188A #9D6D18 #189D2A

split-complementary

#18489D #9D2A18 #8A9D18

monochromatic

#081733 #103068 #18489D #2060D2 #4C83E4

Accessibility & contrast

On white

8.56

#18489D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#18489D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18489D

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18489D	#FFFFFF	#000000	##FFFFFF
##18489D	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0253A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18489d;
/* rgb */ color: rgb(24, 72, 157);
/* oklch */ color: oklch(42.3% 0.148 260.9);

Tailwind

colors: {
  custom: {
    50: '#6e7abb',
    500: '#18489d',
    950: '#000000',
  },
}

SCSS

$custom: #18489d;
$custom-light: #6e7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#18489d",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 157
  },
  "hsl": {
    "h": 218.346,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4231,
    "c": 0.14805,
    "h": 260.9
  },
  "luminance": 0.07263
}

Semantic roles & 50–950 ramp

primary

#18489D

secondary

#C5994B

accent

#AE38F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #18489D

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

Preview Lab → · Contrast checker → · Palette generator →