#183874#183874

#183874 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.110 H 261.5°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#183874
RGB	rgb(24, 56, 116)
HSL	hsl(219, 66%, 27%)
HSV	hsv(219, 79%, 45%)
CMYK	cmyk(79.3%, 51.7%, 0%, 54.5%)
CIE-LAB	lab(24.59, 11.68, -37.90)
CIE-LCH	lch(24.59, 39.66, 287.13°)
OKLab	oklab(35.38% -0.0162 -0.1089)
OKLCH	oklch(35.38% 0.11 261.5)
XYZ	xyz(4.9421, 4.2829, 17.0858)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183874 #745418

analogous

#186674 #183874 #261874

triadic

#183874 #741838 #387418

tetradic

#183874 #741866 #745418 #187426

square

#183874 #741866 #745418 #187426

split-complementary

#183874 #742618 #667418

monochromatic

#050C19 #0E2041 #183874 #2250A7 #326AD5

Accessibility & contrast

On white

11.31

#183874 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#183874 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183874

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183874	#FFFFFF	#000000	##FFFFFF
##183874	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143F76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183874;
/* rgb */ color: rgb(24, 56, 116);
/* oklch */ color: oklch(35.4% 0.110 261.5);

Tailwind

colors: {
  custom: {
    50: '#646e9c',
    500: '#183874',
    950: '#000000',
  },
}

SCSS

$custom: #183874;
$custom-light: #646e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#183874",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 116
  },
  "hsl": {
    "h": 219.13,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35377,
    "c": 0.11015,
    "h": 261.5
  },
  "luminance": 0.04283
}

Semantic roles & 50–950 ramp

primary

#183874

secondary

#A9843F

accent

#AE3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #183874

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

Preview Lab → · Contrast checker → · Palette generator →