#18439F#18439F

#18439F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.157 H 262.7°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#18439F
RGB	rgb(24, 67, 159)
HSL	hsl(221, 74%, 36%)
HSV	hsv(221, 85%, 62%)
CMYK	cmyk(84.9%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(31.14, 21.63, -53.92)
CIE-LCH	lch(31.14, 58.10, 291.86°)
OKLab	oklab(41.41% -0.0199 -0.1558)
OKLCH	oklch(41.41% 0.157 262.7)
XYZ	xyz(8.6396, 6.7106, 33.6341)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18439F #9F7418

analogous

#18869F #18439F #31189F

triadic

#18439F #9F1843 #439F18

tetradic

#18439F #9F1886 #9F7418 #189F31

square

#18439F #9F1886 #9F7418 #189F31

split-complementary

#18439F #9F3118 #869F18

monochromatic

#081635 #102D6A #18439F #2059D4 #4D7DE4

Accessibility & contrast

On white

8.97

#18439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#18439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18439F

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18439F	#FFFFFF	#000000	##FFFFFF
##18439F	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #18439f;
/* rgb */ color: rgb(24, 67, 159);
/* oklch */ color: oklch(41.4% 0.157 262.7);

Tailwind

colors: {
  custom: {
    50: '#6f76bc',
    500: '#18439f',
    950: '#000000',
  },
}

SCSS

$custom: #18439f;
$custom-light: #6f76bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18439f",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 220.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41407,
    "c": 0.15712,
    "h": 262.7
  },
  "luminance": 0.06712
}

Semantic roles & 50–950 ramp

primary

#18439F

secondary

#C69F4D

accent

#B537F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #18439F

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

Preview Lab → · Contrast checker → · Palette generator →