#183341#183341

#183341 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.6% C 0.042 H 233.0°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#183341
RGB	rgb(24, 51, 65)
HSL	hsl(200, 46%, 17%)
HSV	hsv(200, 63%, 25%)
CMYK	cmyk(63.1%, 21.5%, 0%, 74.5%)
CIE-LAB	lab(19.82, -5.40, -11.89)
CIE-LCH	lch(19.82, 13.06, 245.59°)
OKLab	oklab(30.65% -0.025 -0.0331)
OKLCH	oklch(30.65% 0.042 233)
XYZ	xyz(2.5143, 2.9433, 5.4356)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183341 #412618

analogous

#18413B #183341 #181F41

triadic

#183341 #411833 #334118

tetradic

#183341 #3B1841 #412618 #1F4118

square

#183341 #3B1841 #412618 #1F4118

split-complementary

#183341 #41181F #413B18

monochromatic

#081216 #081216 #183341 #29566E #39799A

Accessibility & contrast

On white

13.22

#183341 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#183341 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183341

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183341	#FFFFFF	#000000	##FFFFFF
##183341	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3242

Deuteranopia (green-blind)

#262E41

Tritanopia (blue-blind)

#003738

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #183341;
/* rgb */ color: rgb(24, 51, 65);
/* oklch */ color: oklch(30.6% 0.042 233.0);

Tailwind

colors: {
  custom: {
    50: '#596a75',
    500: '#183341',
    950: '#000000',
  },
}

SCSS

$custom: #183341;
$custom-light: #596a75;
$custom-dark: #000000;

JSON

{
  "hex": "#183341",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 65
  },
  "hsl": {
    "h": 200.488,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.30647,
    "c": 0.04152,
    "h": 233
  },
  "luminance": 0.02943
}

Semantic roles & 50–950 ramp

primary

#183341

secondary

#78513D

accent

#7F52D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183341

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

Preview Lab → · Contrast checker → · Palette generator →