#18356C#18356C

#18356C is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.102 H 261.7°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#18356C
RGB	rgb(24, 53, 108)
HSL	hsl(219, 64%, 26%)
HSV	hsv(219, 78%, 42%)
CMYK	cmyk(77.8%, 50.9%, 0%, 57.6%)
CIE-LAB	lab(23.08, 10.49, -35.21)
CIE-LCH	lch(23.08, 36.74, 286.60°)
OKLab	oklab(34.03% -0.0147 -0.1011)
OKLCH	oklch(34.03% 0.102 261.7)
XYZ	xyz(4.3556, 3.8226, 14.6927)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18356C #6C4F18

analogous

#185F6C #18356C #25186C

triadic

#18356C #6C1835 #356C18

tetradic

#18356C #6C185F #6C4F18 #186C25

square

#18356C #6C185F #6C4F18 #186C25

split-complementary

#18356C #6C2518 #5F6C18

monochromatic

#060C19 #0D1C3A #18356C #234E9E #2E66D0

Accessibility & contrast

On white

11.90

#18356C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#18356C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18356C

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18356C	#FFFFFF	#000000	##FFFFFF
##18356C	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163B6E

Deuteranopia (green-blind)

#00336B

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18356c;
/* rgb */ color: rgb(24, 53, 108);
/* oklch */ color: oklch(34.0% 0.102 261.7);

Tailwind

colors: {
  custom: {
    50: '#626b96',
    500: '#18356c',
    950: '#000000',
  },
}

SCSS

$custom: #18356c;
$custom-light: #626b96;
$custom-dark: #000000;

JSON

{
  "hex": "#18356c",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 108
  },
  "hsl": {
    "h": 219.286,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34035,
    "c": 0.10217,
    "h": 261.7
  },
  "luminance": 0.03823
}

Semantic roles & 50–950 ramp

primary

#18356C

secondary

#A27F3E

accent

#AE41E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #18356C

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

Preview Lab → · Contrast checker → · Palette generator →