#183676#183676

#183676 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.116 H 262.9°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#183676
RGB	rgb(24, 54, 118)
HSL	hsl(221, 66%, 28%)
HSV	hsv(221, 80%, 46%)
CMYK	cmyk(79.7%, 54.2%, 0%, 53.7%)
CIE-LAB	lab(24.13, 13.94, -39.91)
CIE-LCH	lch(24.13, 42.27, 289.25°)
OKLab	oklab(35.08% -0.0142 -0.1149)
OKLCH	oklch(35.08% 0.116 262.9)
XYZ	xyz(4.9647, 4.1400, 17.6735)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183676 #765818

analogous

#186576 #183676 #291876

triadic

#183676 #761836 #367618

tetradic

#183676 #761865 #765818 #187629

square

#183676 #761865 #765818 #187629

split-complementary

#183676 #762918 #657618

monochromatic

#050C19 #0E1F43 #183676 #224DA9 #3367D5

Accessibility & contrast

On white

11.49

#183676 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#183676 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183676

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183676	#FFFFFF	#000000	##FFFFFF
##183676	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3E78

Deuteranopia (green-blind)

#003575

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183676;
/* rgb */ color: rgb(24, 54, 118);
/* oklch */ color: oklch(35.1% 0.116 262.9);

Tailwind

colors: {
  custom: {
    50: '#646c9e',
    500: '#183676',
    950: '#000000',
  },
}

SCSS

$custom: #183676;
$custom-light: #646c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#183676",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 118
  },
  "hsl": {
    "h": 220.851,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35077,
    "c": 0.11579,
    "h": 262.9
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#183676

secondary

#AB883F

accent

#B33FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183676

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

Preview Lab → · Contrast checker → · Palette generator →