#17405D#17405D

#17405D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.068 H 242.9°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#17405D
RGB	rgb(23, 64, 93)
HSL	hsl(205, 60%, 23%)
HSV	hsv(205, 75%, 36%)
CMYK	cmyk(75.3%, 31.2%, 0%, 63.5%)
CIE-LAB	lab(25.68, -3.42, -21.37)
CIE-LCH	lch(25.68, 21.64, 260.90°)
OKLab	oklab(35.75% -0.0309 -0.0604)
OKLCH	oklch(35.75% 0.068 242.9)
XYZ	xyz(4.1618, 4.6388, 11.0298)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17405D #5D3417

analogous

#175D57 #17405D #171D5D

triadic

#17405D #5D1740 #405D17

tetradic

#17405D #57175D #5D3417 #1D5D17

square

#17405D #57175D #5D3417 #1D5D17

split-complementary

#17405D #5D171D #5D5717

monochromatic

#061119 #0B1E2C #17405D #23628E #2F84BF

Accessibility & contrast

On white

10.89

#17405D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#17405D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17405D

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17405D	#FFFFFF	#000000	##FFFFFF
##17405D	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415E

Deuteranopia (green-blind)

#293A5C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #17405d;
/* rgb */ color: rgb(23, 64, 93);
/* oklch */ color: oklch(35.7% 0.068 242.9);

Tailwind

colors: {
  custom: {
    50: '#5e748b',
    500: '#17405d',
    950: '#000000',
  },
}

SCSS

$custom: #17405d;
$custom-light: #5e748b;
$custom-dark: #000000;

JSON

{
  "hex": "#17405d",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 204.857,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.35749,
    "c": 0.06783,
    "h": 242.9
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary

#17405D

secondary

#94603C

accent

#8644E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #17405D

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

Preview Lab → · Contrast checker → · Palette generator →