#18384D#18384D

#18384D is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.7% C 0.053 H 239.9°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#18384D
RGB	rgb(24, 56, 77)
HSL	hsl(204, 52%, 20%)
HSV	hsv(204, 69%, 30%)
CMYK	cmyk(68.8%, 27.3%, 0%, 69.8%)
CIE-LAB	lab(22.15, -4.19, -16.35)
CIE-LCH	lch(22.15, 16.88, 255.63°)
OKLab	oklab(32.7% -0.0266 -0.0459)
OKLCH	oklch(32.7% 0.053 239.9)
XYZ	xyz(3.1299, 3.5581, 7.5416)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18384D #4D2D18

analogous

#184D48 #18384D #181D4D

triadic

#18384D #4D1838 #384D18

tetradic

#18384D #48184D #4D2D18 #1D4D18

square

#18384D #48184D #4D2D18 #1D4D18

split-complementary

#18384D #4D181D #4D4818

monochromatic

#071117 #09161E #18384D #275A7C #357CAA

Accessibility & contrast

On white

12.27

#18384D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#18384D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18384D

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18384D	#FFFFFF	#000000	##FFFFFF
##18384D	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E384E

Deuteranopia (green-blind)

#27334D

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18384d;
/* rgb */ color: rgb(24, 56, 77);
/* oklch */ color: oklch(32.7% 0.053 239.9);

Tailwind

colors: {
  custom: {
    50: '#5b6e7f',
    500: '#18384d',
    950: '#000000',
  },
}

SCSS

$custom: #18384d;
$custom-light: #5b6e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18384d",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 77
  },
  "hsl": {
    "h": 203.774,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32695,
    "c": 0.05307,
    "h": 239.9
  },
  "luminance": 0.03558
}

Semantic roles & 50–950 ramp

primary

#18384D

secondary

#84593D

accent

#854CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18384D

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

Preview Lab → · Contrast checker → · Palette generator →