#183567#183567

#183567 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.095 H 260.5°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#183567
RGB	rgb(24, 53, 103)
HSL	hsl(218, 62%, 25%)
HSV	hsv(218, 77%, 40%)
CMYK	cmyk(76.7%, 48.5%, 0%, 59.6%)
CIE-LAB	lab(22.72, 8.41, -32.55)
CIE-LCH	lch(22.72, 33.62, 284.49°)
OKLab	oklab(33.65% -0.0156 -0.0933)
OKLCH	oklch(33.65% 0.095 260.5)
XYZ	xyz(4.0971, 3.7192, 13.3313)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183567 #674A18

analogous

#185C67 #183567 #231867

triadic

#183567 #671835 #356718

tetradic

#183567 #67185C #674A18 #186723

square

#183567 #67185C #674A18 #186723

split-complementary

#183567 #672318 #5C6718

monochromatic

#060D19 #0C1B35 #183567 #244F99 #2F68CA

Accessibility & contrast

On white

12.04

#183567 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183567 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183567

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183567	#FFFFFF	#000000	##FFFFFF
##183567	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3A69

Deuteranopia (green-blind)

#0A3366

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183567;
/* rgb */ color: rgb(24, 53, 103);
/* oklch */ color: oklch(33.6% 0.095 260.5);

Tailwind

colors: {
  custom: {
    50: '#616b93',
    500: '#183567',
    950: '#000000',
  },
}

SCSS

$custom: #183567;
$custom-light: #616b93;
$custom-dark: #000000;

JSON

{
  "hex": "#183567",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 103
  },
  "hsl": {
    "h": 217.975,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33648,
    "c": 0.09457,
    "h": 260.5
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#183567

secondary

#9D7A3E

accent

#AA43E5

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #183567

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

Preview Lab → · Contrast checker → · Palette generator →