#17384D#17384D

#17384D is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.054 H 239.3°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#17384D
RGB	rgb(23, 56, 77)
HSL	hsl(203, 54%, 20%)
HSV	hsv(203, 70%, 30%)
CMYK	cmyk(70.1%, 27.3%, 0%, 69.8%)
CIE-LAB	lab(22.11, -4.40, -16.42)
CIE-LCH	lch(22.11, 17.00, 255.00°)
OKLab	oklab(32.65% -0.0274 -0.0461)
OKLCH	oklch(32.65% 0.054 239.3)
XYZ	xyz(3.1066, 3.5460, 7.5405)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17384D #4D2C17

analogous

#174D47 #17384D #171D4D

triadic

#17384D #4D1738 #384D17

tetradic

#17384D #47174D #4D2C17 #1D4D17

square

#17384D #47174D #4D2C17 #1D4D17

split-complementary

#17384D #4D171D #4D4717

monochromatic

#071118 #09161E #17384D #255A7C #337DAB

Accessibility & contrast

On white

12.29

#17384D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#17384D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17384D

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17384D	#FFFFFF	#000000	##FFFFFF
##17384D	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	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: #17384d;
/* rgb */ color: rgb(23, 56, 77);
/* oklch */ color: oklch(32.6% 0.054 239.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17384d",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 77
  },
  "hsl": {
    "h": 203.333,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.32649,
    "c": 0.05366,
    "h": 239.3
  },
  "luminance": 0.03546
}

Semantic roles & 50–950 ramp

primary

#17384D

secondary

#84583C

accent

#844ADD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17384D

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

Preview Lab → · Contrast checker → · Palette generator →