#183168#183168

#183168 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.102 H 263.4°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#183168
RGB	rgb(24, 49, 104)
HSL	hsl(221, 63%, 25%)
HSV	hsv(221, 77%, 41%)
CMYK	cmyk(76.9%, 52.9%, 0%, 59.2%)
CIE-LAB	lab(21.54, 11.70, -35.10)
CIE-LCH	lch(21.54, 37.00, 288.44°)
OKLab	oklab(32.77% -0.0116 -0.1008)
OKLCH	oklch(32.77% 0.102 263.4)
XYZ	xyz(3.9728, 3.3899, 13.5390)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183168 #684F18

analogous

#185968 #183168 #271868

triadic

#183168 #681831 #316818

tetradic

#183168 #681859 #684F18 #186827

square

#183168 #681859 #684F18 #186827

split-complementary

#183168 #682718 #596818

monochromatic

#060C19 #0D1A36 #183168 #23489A #2F60CB

Accessibility & contrast

On white

12.51

#183168 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183168 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183168

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183168	#FFFFFF	#000000	##FFFFFF
##183168	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10386A

Deuteranopia (green-blind)

#003067

Tritanopia (blue-blind)

#003E47

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183168;
/* rgb */ color: rgb(24, 49, 104);
/* oklch */ color: oklch(32.8% 0.102 263.4);

Tailwind

colors: {
  custom: {
    50: '#616893',
    500: '#183168',
    950: '#000000',
  },
}

SCSS

$custom: #183168;
$custom-light: #616893;
$custom-dark: #000000;

JSON

{
  "hex": "#183168",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 104
  },
  "hsl": {
    "h": 221.25,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32768,
    "c": 0.1015,
    "h": 263.4
  },
  "luminance": 0.0339
}

Semantic roles & 50–950 ramp

primary

#183168

secondary

#9E803E

accent

#B342E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #183168

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

Preview Lab → · Contrast checker → · Palette generator →