#17384C#17384C

#17384C is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.052 H 238.0°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#17384C
RGB	rgb(23, 56, 76)
HSL	hsl(203, 54%, 19%)
HSV	hsv(203, 70%, 30%)
CMYK	cmyk(69.7%, 26.3%, 0%, 70.2%)
CIE-LAB	lab(22.06, -4.79, -15.84)
CIE-LCH	lch(22.06, 16.54, 253.17°)
OKLab	oklab(32.59% -0.0278 -0.0444)
OKLCH	oklch(32.59% 0.052 238)
XYZ	xyz(3.0715, 3.5320, 7.3559)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17384C #4C2B17

analogous

#174C46 #17384C #171E4C

triadic

#17384C #4C1738 #384C17

tetradic

#17384C #46174C #4C2B17 #1E4C17

square

#17384C #46174C #4C2B17 #1E4C17

split-complementary

#17384C #4C171E #4C4617

monochromatic

#071117 #09151D #17384C #255B7B #337DAA

Accessibility & contrast

On white

12.31

#17384C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#17384C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17384C

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17384C	#FFFFFF	#000000	##FFFFFF
##17384C	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F384D

Deuteranopia (green-blind)

#27324C

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17384c;
/* rgb */ color: rgb(23, 56, 76);
/* oklch */ color: oklch(32.6% 0.052 238.0);

Tailwind

colors: {
  custom: {
    50: '#5a6e7e',
    500: '#17384c',
    950: '#000000',
  },
}

SCSS

$custom: #17384c;
$custom-light: #5a6e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#17384c",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 76
  },
  "hsl": {
    "h": 202.642,
    "s": 53.535,
    "l": 19.412
  },
  "oklch": {
    "l": 0.32593,
    "c": 0.05243,
    "h": 238
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#17384C

secondary

#83573C

accent

#824BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17384C

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

Preview Lab → · Contrast checker → · Palette generator →