#18458A#18458A

#18458A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.1% C 0.125 H 259.1°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#18458A
RGB	rgb(24, 69, 138)
HSL	hsl(216, 70%, 32%)
HSV	hsv(216, 83%, 54%)
CMYK	cmyk(82.6%, 50%, 0%, 45.9%)
CIE-LAB	lab(30.12, 11.69, -42.75)
CIE-LCH	lch(30.12, 44.32, 285.30°)
OKLab	oklab(40.13% -0.0237 -0.123)
OKLCH	oklch(40.13% 0.125 259.1)
XYZ	xyz(7.0906, 6.2846, 24.8792)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18458A #8A5D18

analogous

#187E8A #18458A #24188A

triadic

#18458A #8A1845 #458A18

tetradic

#18458A #8A187E #8A5D18 #188A24

square

#18458A #8A187E #8A5D18 #188A24

split-complementary

#18458A #8A2418 #7E8A18

monochromatic

#061122 #0F2B56 #18458A #215FBE #3F7DDE

Accessibility & contrast

On white

9.30

#18458A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#18458A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18458A

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18458A	#FFFFFF	#000000	##FFFFFF
##18458A	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4C8D

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18458a;
/* rgb */ color: rgb(24, 69, 138);
/* oklch */ color: oklch(40.1% 0.125 259.1);

Tailwind

colors: {
  custom: {
    50: '#6978ad',
    500: '#18458a',
    950: '#000000',
  },
}

SCSS

$custom: #18458a;
$custom-light: #6978ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18458a",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 138
  },
  "hsl": {
    "h": 216.316,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40126,
    "c": 0.12523,
    "h": 259.1
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#18458A

secondary

#BD8C40

accent

#A73BED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #18458A

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

Preview Lab → · Contrast checker → · Palette generator →