#183969#183969

#183969 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.092 H 258.0°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#183969
RGB	rgb(24, 57, 105)
HSL	hsl(216, 63%, 25%)
HSV	hsv(216, 77%, 41%)
CMYK	cmyk(77.1%, 45.7%, 0%, 58.8%)
CIE-LAB	lab(24.13, 6.41, -31.59)
CIE-LCH	lch(24.13, 32.23, 281.47°)
OKLab	oklab(34.78% -0.0192 -0.0904)
OKLCH	oklch(34.78% 0.092 258)
XYZ	xyz(4.3887, 4.1399, 13.9296)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183969 #694818

analogous

#186169 #183969 #201869

triadic

#183969 #691839 #396918

tetradic

#183969 #691861 #694818 #186920

square

#183969 #691861 #694818 #186920

split-complementary

#183969 #692018 #616918

monochromatic

#060E19 #0D1E37 #183969 #23549B #2F6FCD

Accessibility & contrast

On white

11.49

#183969 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#183969 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183969

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183969	#FFFFFF	#000000	##FFFFFF
##183969	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)

#213D6B

Deuteranopia (green-blind)

#133668

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183969;
/* rgb */ color: rgb(24, 57, 105);
/* oklch */ color: oklch(34.8% 0.092 258.0);

Tailwind

colors: {
  custom: {
    50: '#616e94',
    500: '#183969',
    950: '#000000',
  },
}

SCSS

$custom: #183969;
$custom-light: #616e94;
$custom-dark: #000000;

JSON

{
  "hex": "#183969",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 105
  },
  "hsl": {
    "h": 215.556,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34778,
    "c": 0.09238,
    "h": 258
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#183969

secondary

#9F773E

accent

#A342E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #183969

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

Preview Lab → · Contrast checker → · Palette generator →