#18439E#18439E

#18439E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.156 H 262.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#18439E
RGB	rgb(24, 67, 158)
HSL	hsl(221, 74%, 36%)
HSV	hsv(221, 85%, 62%)
CMYK	cmyk(84.8%, 57.6%, 0%, 38%)
CIE-LAB	lab(31.06, 21.23, -53.45)
CIE-LCH	lch(31.06, 57.51, 291.66°)
OKLab	oklab(41.32% -0.02 -0.1545)
OKLCH	oklch(41.32% 0.156 262.6)
XYZ	xyz(8.5532, 6.6761, 33.1789)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18439E #9E7318

analogous

#18869E #18439E #30189E

triadic

#18439E #9E1843 #439E18

tetradic

#18439E #9E1886 #9E7318 #189E30

square

#18439E #9E1886 #9E7318 #189E30

split-complementary

#18439E #9E3018 #869E18

monochromatic

#081634 #102C69 #18439E #205AD3 #4D7DE4

Accessibility & contrast

On white

8.99

#18439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#18439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18439E

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18439E	#FFFFFF	#000000	##FFFFFF
##18439E	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #18439e;
/* rgb */ color: rgb(24, 67, 158);
/* oklch */ color: oklch(41.3% 0.156 262.6);

Tailwind

colors: {
  custom: {
    50: '#6e76bb',
    500: '#18439e',
    950: '#000000',
  },
}

SCSS

$custom: #18439e;
$custom-light: #6e76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18439e",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 220.746,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41321,
    "c": 0.15575,
    "h": 262.6
  },
  "luminance": 0.06677
}

Semantic roles & 50–950 ramp

primary

#18439E

secondary

#C69F4C

accent

#B538F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #18439E

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

Preview Lab → · Contrast checker → · Palette generator →