#182840#182840

#182840 is a dark, muted blue. Relative luminance 0.021; OKLCH L 27.6% C 0.050 H 258.3°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#182840
RGB	rgb(24, 40, 64)
HSL	hsl(216, 45%, 17%)
HSV	hsv(216, 63%, 25%)
CMYK	cmyk(62.5%, 37.5%, 0%, 74.9%)
CIE-LAB	lab(15.91, 1.87, -17.28)
CIE-LCH	lch(15.91, 17.38, 276.19°)
OKLab	oklab(27.55% -0.0101 -0.0487)
OKLCH	oklch(27.55% 0.05 258.3)
XYZ	xyz(2.0606, 2.0818, 5.1427)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182840 #403018

analogous

#183C40 #182840 #1C1840

triadic

#182840 #401828 #284018

tetradic

#182840 #40183C #403018 #18401C

square

#182840 #40183C #403018 #18401C

split-complementary

#182840 #401C18 #3C4018

monochromatic

#080E16 #080E16 #182840 #29446D #396099

Accessibility & contrast

On white

14.83

#182840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#182840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182840

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182840	#FFFFFF	#000000	##FFFFFF
##182840	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2A41

Deuteranopia (green-blind)

#19263F

Tritanopia (blue-blind)

#022D31

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #182840;
/* rgb */ color: rgb(24, 40, 64);
/* oklch */ color: oklch(27.6% 0.050 258.3);

Tailwind

colors: {
  custom: {
    50: '#586175',
    500: '#182840',
    950: '#000000',
  },
}

SCSS

$custom: #182840;
$custom-light: #586175;
$custom-dark: #000000;

JSON

{
  "hex": "#182840",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 64
  },
  "hsl": {
    "h": 216,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27554,
    "c": 0.04976,
    "h": 258.3
  },
  "luminance": 0.02082
}

Semantic roles & 50–950 ramp

primary

#182840

secondary

#77603D

accent

#A153D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #182840

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

Preview Lab → · Contrast checker → · Palette generator →