#18499F#18499F

#18499F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.7% C 0.150 H 260.8°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#18499F
RGB	rgb(24, 73, 159)
HSL	hsl(218, 74%, 36%)
HSV	hsv(218, 85%, 62%)
CMYK	cmyk(84.9%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(32.84, 17.53, -51.17)
CIE-LCH	lch(32.84, 54.09, 288.91°)
OKLab	oklab(42.69% -0.0238 -0.1476)
OKLCH	oklch(42.69% 0.15 260.8)
XYZ	xyz(9.0150, 7.4614, 33.7592)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18499F #9F6E18

analogous

#188C9F #18499F #2A189F

triadic

#18499F #9F1849 #499F18

tetradic

#18499F #9F188C #9F6E18 #189F2A

square

#18499F #9F188C #9F6E18 #189F2A

split-complementary

#18499F #9F2A18 #8C9F18

monochromatic

#081835 #10316A #18499F #2061D4 #4D84E4

Accessibility & contrast

On white

8.43

#18499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#18499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18499F

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18499F	#FFFFFF	#000000	##FFFFFF
##18499F	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0254A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18499f;
/* rgb */ color: rgb(24, 73, 159);
/* oklch */ color: oklch(42.7% 0.150 260.8);

Tailwind

colors: {
  custom: {
    50: '#6e7bbc',
    500: '#18499f',
    950: '#000000',
  },
}

SCSS

$custom: #18499f;
$custom-light: #6e7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#18499f",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 218.222,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42691,
    "c": 0.14954,
    "h": 260.8
  },
  "luminance": 0.07462
}

Semantic roles & 50–950 ramp

primary

#18499F

secondary

#C69A4D

accent

#AD37F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #18499F

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

Preview Lab → · Contrast checker → · Palette generator →