#17384E#17384E

#17384E is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.7% C 0.055 H 240.5°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#17384E
RGB	rgb(23, 56, 78)
HSL	hsl(204, 54%, 20%)
HSV	hsv(204, 71%, 31%)
CMYK	cmyk(70.5%, 28.2%, 0%, 69.4%)
CIE-LAB	lab(22.16, -4.01, -17.01)
CIE-LCH	lch(22.16, 17.48, 256.72°)
OKLab	oklab(32.71% -0.027 -0.0478)
OKLCH	oklch(32.71% 0.055 240.5)
XYZ	xyz(3.1421, 3.5602, 7.7279)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17384E #4E2D17

analogous

#174E49 #17384E #171D4E

triadic

#17384E #4E1738 #384E17

tetradic

#17384E #49174E #4E2D17 #1D4E17

square

#17384E #49174E #4E2D17 #1D4E17

split-complementary

#17384E #4E171D #4E4917

monochromatic

#071118 #09161F #17384E #255A7D #337CAD

Accessibility & contrast

On white

12.26

#17384E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#17384E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17384E

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17384E	#FFFFFF	#000000	##FFFFFF
##17384E	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E384F

Deuteranopia (green-blind)

#26334E

Tritanopia (blue-blind)

#003D40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17384e;
/* rgb */ color: rgb(23, 56, 78);
/* oklch */ color: oklch(32.7% 0.055 240.5);

Tailwind

colors: {
  custom: {
    50: '#5b6e7f',
    500: '#17384e',
    950: '#000000',
  },
}

SCSS

$custom: #17384e;
$custom-light: #5b6e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#17384e",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 78
  },
  "hsl": {
    "h": 204,
    "s": 54.455,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32707,
    "c": 0.05494,
    "h": 240.5
  },
  "luminance": 0.03561
}

Semantic roles & 50–950 ramp

primary

#17384E

secondary

#85593C

accent

#854ADE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17384E

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

Preview Lab → · Contrast checker → · Palette generator →