#18356F#18356F

#18356F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.107 H 262.3°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#18356F
RGB	rgb(24, 53, 111)
HSL	hsl(220, 64%, 26%)
HSV	hsv(220, 78%, 44%)
CMYK	cmyk(78.4%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.30, 11.74, -36.78)
CIE-LCH	lch(23.30, 38.61, 287.70°)
OKLab	oklab(34.27% -0.0143 -0.1057)
OKLCH	oklch(34.27% 0.107 262.3)
XYZ	xyz(4.5180, 3.8876, 15.5481)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18356F #6F5218

analogous

#18616F #18356F #27186F

triadic

#18356F #6F1835 #356F18

tetradic

#18356F #6F1861 #6F5218 #186F27

square

#18356F #6F1861 #6F5218 #186F27

split-complementary

#18356F #6F2718 #616F18

monochromatic

#050C19 #0D1D3D #18356F #234DA1 #2F66D2

Accessibility & contrast

On white

11.81

#18356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#18356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18356F

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18356F	#FFFFFF	#000000	##FFFFFF
##18356F	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #18356f;
/* rgb */ color: rgb(24, 53, 111);
/* oklch */ color: oklch(34.3% 0.107 262.3);

Tailwind

colors: {
  custom: {
    50: '#636b99',
    500: '#18356f',
    950: '#000000',
  },
}

SCSS

$custom: #18356f;
$custom-light: #636b99;
$custom-dark: #000000;

JSON

{
  "hex": "#18356f",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 220,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34274,
    "c": 0.10669,
    "h": 262.3
  },
  "luminance": 0.03888
}

Semantic roles & 50–950 ramp

primary

#18356F

secondary

#A5823E

accent

#B040E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #18356F

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

Preview Lab → · Contrast checker → · Palette generator →