#18356A#18356A

#18356A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.099 H 261.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#18356A
RGB	rgb(24, 53, 106)
HSL	hsl(219, 63%, 25%)
HSV	hsv(219, 77%, 42%)
CMYK	cmyk(77.4%, 50%, 0%, 58.4%)
CIE-LAB	lab(22.93, 9.66, -34.15)
CIE-LCH	lch(22.93, 35.49, 285.80°)
OKLab	oklab(33.88% -0.0151 -0.098)
OKLCH	oklch(33.88% 0.099 261.3)
XYZ	xyz(4.2504, 3.7805, 14.1386)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18356A #6A4D18

analogous

#185E6A #18356A #24186A

triadic

#18356A #6A1835 #356A18

tetradic

#18356A #6A185E #6A4D18 #186A24

square

#18356A #6A185E #6A4D18 #186A24

split-complementary

#18356A #6A2418 #5E6A18

monochromatic

#060C19 #0D1C38 #18356A #234E9C #2F67CE

Accessibility & contrast

On white

11.96

#18356A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#18356A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18356A

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18356A	#FFFFFF	#000000	##FFFFFF
##18356A	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183B6C

Deuteranopia (green-blind)

#043369

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18356a;
/* rgb */ color: rgb(24, 53, 106);
/* oklch */ color: oklch(33.9% 0.099 261.3);

Tailwind

colors: {
  custom: {
    50: '#616b95',
    500: '#18356a',
    950: '#000000',
  },
}

SCSS

$custom: #18356a;
$custom-light: #616b95;
$custom-dark: #000000;

JSON

{
  "hex": "#18356a",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 106
  },
  "hsl": {
    "h": 218.78,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.33878,
    "c": 0.09913,
    "h": 261.3
  },
  "luminance": 0.03781
}

Semantic roles & 50–950 ramp

primary

#18356A

secondary

#A07D3E

accent

#AC42E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #18356A

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

Preview Lab → · Contrast checker → · Palette generator →