#18458D#18458D

#18458D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.129 H 259.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#18458D
RGB	rgb(24, 69, 141)
HSL	hsl(217, 71%, 32%)
HSV	hsv(217, 83%, 55%)
CMYK	cmyk(83%, 51.1%, 0%, 44.7%)
CIE-LAB	lab(30.33, 12.93, -44.26)
CIE-LCH	lch(30.33, 46.11, 286.28°)
OKLab	oklab(40.36% -0.0232 -0.1274)
OKLCH	oklch(40.36% 0.129 259.7)
XYZ	xyz(7.3108, 6.3726, 26.0389)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18458D #8D6018

analogous

#18808D #18458D #25188D

triadic

#18458D #8D1845 #458D18

tetradic

#18458D #8D1880 #8D6018 #188D25

square

#18458D #8D1880 #8D6018 #188D25

split-complementary

#18458D #8D2518 #808D18

monochromatic

#061224 #0F2B59 #18458D #215FC1 #417DDF

Accessibility & contrast

On white

9.23

#18458D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#18458D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18458D

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18458D	#FFFFFF	#000000	##FFFFFF
##18458D	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194D90

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18458d;
/* rgb */ color: rgb(24, 69, 141);
/* oklch */ color: oklch(40.4% 0.129 259.7);

Tailwind

colors: {
  custom: {
    50: '#6a78af',
    500: '#18458d',
    950: '#000000',
  },
}

SCSS

$custom: #18458d;
$custom-light: #6a78af;
$custom-dark: #000000;

JSON

{
  "hex": "#18458d",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 141
  },
  "hsl": {
    "h": 216.923,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40359,
    "c": 0.12948,
    "h": 259.7
  },
  "luminance": 0.06374
}

Semantic roles & 50–950 ramp

primary

#18458D

secondary

#BF8F42

accent

#A93AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #18458D

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

Preview Lab → · Contrast checker → · Palette generator →