#18358A#18358A

#18358A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.146 H 265.2°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#18358A
RGB	rgb(24, 53, 138)
HSL	hsl(225, 70%, 32%)
HSV	hsv(225, 83%, 54%)
CMYK	cmyk(82.6%, 61.6%, 0%, 45.9%)
CIE-LAB	lab(25.49, 22.84, -50.27)
CIE-LCH	lch(25.49, 55.22, 294.43°)
OKLab	oklab(36.62% -0.0121 -0.1454)
OKLCH	oklch(36.62% 0.146 265.2)
XYZ	xyz(6.2356, 4.5746, 24.5942)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18358A #8A6D18

analogous

#186E8A #18358A #34188A

triadic

#18358A #8A1835 #358A18

tetradic

#18358A #8A186E #8A6D18 #188A34

square

#18358A #8A186E #8A6D18 #188A34

split-complementary

#18358A #8A3418 #6E8A18

monochromatic

#060D22 #0F2156 #18358A #2149BE #3F67DE

Accessibility & contrast

On white

10.97

#18358A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#18358A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18358A

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18358A	#FFFFFF	#000000	##FFFFFF
##18358A	1.00	10.97	1.92	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003788

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #18358a;
/* rgb */ color: rgb(24, 53, 138);
/* oklch */ color: oklch(36.6% 0.146 265.2);

Tailwind

colors: {
  custom: {
    50: '#6a6bad',
    500: '#18358a',
    950: '#000000',
  },
}

SCSS

$custom: #18358a;
$custom-light: #6a6bad;
$custom-dark: #000000;

JSON

{
  "hex": "#18358a",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 138
  },
  "hsl": {
    "h": 224.737,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36616,
    "c": 0.14587,
    "h": 265.2
  },
  "luminance": 0.04575
}

Semantic roles & 50–950 ramp

primary

#18358A

secondary

#BD9E40

accent

#C03BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #18358A

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

Preview Lab → · Contrast checker → · Palette generator →