#18478A#18478A

#18478A is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.123 H 258.1°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#18478A
RGB	rgb(24, 71, 138)
HSL	hsl(215, 70%, 32%)
HSV	hsv(215, 83%, 54%)
CMYK	cmyk(82.6%, 48.6%, 0%, 45.9%)
CIE-LAB	lab(30.72, 10.32, -41.78)
CIE-LCH	lch(30.72, 43.04, 283.87°)
OKLab	oklab(40.59% -0.0253 -0.12)
OKLCH	oklch(40.59% 0.123 258.1)
XYZ	xyz(7.2157, 6.5348, 24.9209)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18478A #8A5B18

analogous

#18808A #18478A #22188A

triadic

#18478A #8A1847 #478A18

tetradic

#18478A #8A1880 #8A5B18 #188A22

square

#18478A #8A1880 #8A5B18 #188A22

split-complementary

#18478A #8A2218 #808A18

monochromatic

#061122 #0F2C56 #18478A #2162BE #3F80DE

Accessibility & contrast

On white

9.10

#18478A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#18478A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18478A

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18478A	#FFFFFF	#000000	##FFFFFF
##18478A	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224E8D

Deuteranopia (green-blind)

#004489

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18478a;
/* rgb */ color: rgb(24, 71, 138);
/* oklch */ color: oklch(40.6% 0.123 258.1);

Tailwind

colors: {
  custom: {
    50: '#6979ad',
    500: '#18478a',
    950: '#000000',
  },
}

SCSS

$custom: #18478a;
$custom-light: #6979ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18478a",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 138
  },
  "hsl": {
    "h": 215.263,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40591,
    "c": 0.1227,
    "h": 258.1
  },
  "luminance": 0.06536
}

Semantic roles & 50–950 ramp

primary

#18478A

secondary

#BD8A40

accent

#A43BED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #18478A

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

Preview Lab → · Contrast checker → · Palette generator →