#17405C#17405C

#17405C is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.067 H 242.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#17405C
RGB	rgb(23, 64, 92)
HSL	hsl(204, 60%, 23%)
HSV	hsv(204, 75%, 36%)
CMYK	cmyk(75%, 30.4%, 0%, 63.9%)
CIE-LAB	lab(25.63, -3.82, -20.80)
CIE-LCH	lch(25.63, 21.15, 259.60°)
OKLab	oklab(35.69% -0.0313 -0.0587)
OKLCH	oklch(35.69% 0.067 242)
XYZ	xyz(4.1178, 4.6212, 10.7981)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17405C #5C3317

analogous

#175C56 #17405C #171D5C

triadic

#17405C #5C1740 #405C17

tetradic

#17405C #56175C #5C3317 #1D5C17

square

#17405C #56175C #5C3317 #1D5C17

split-complementary

#17405C #5C171D #5C5617

monochromatic

#061118 #0B1E2B #17405C #23628D #2F84BE

Accessibility & contrast

On white

10.91

#17405C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#17405C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17405C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17405C	#FFFFFF	#000000	##FFFFFF
##17405C	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33405D

Deuteranopia (green-blind)

#2A3A5B

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #17405c;
/* rgb */ color: rgb(23, 64, 92);
/* oklch */ color: oklch(35.7% 0.067 242.0);

Tailwind

colors: {
  custom: {
    50: '#5e748a',
    500: '#17405c',
    950: '#000000',
  },
}

SCSS

$custom: #17405c;
$custom-light: #5e748a;
$custom-dark: #000000;

JSON

{
  "hex": "#17405c",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 92
  },
  "hsl": {
    "h": 204.348,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3569,
    "c": 0.06655,
    "h": 242
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#17405C

secondary

#935F3C

accent

#8545E3

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #17405C

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

Preview Lab → · Contrast checker → · Palette generator →