#17445B#17445B

#17445B is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.7% C 0.063 H 234.5°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#17445B
RGB	rgb(23, 68, 91)
HSL	hsl(200, 60%, 22%)
HSV	hsv(200, 75%, 36%)
CMYK	cmyk(74.7%, 25.3%, 0%, 64.3%)
CIE-LAB	lab(26.94, -6.80, -18.11)
CIE-LCH	lch(26.94, 19.35, 249.42°)
OKLab	oklab(36.71% -0.0363 -0.0509)
OKLCH	oklch(36.71% 0.063 234.5)
XYZ	xyz(4.3081, 5.0713, 10.6473)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17445B #5B2E17

analogous

#175B50 #17445B #17225B

triadic

#17445B #5B1744 #445B17

tetradic

#17445B #50175B #5B2E17 #225B17

square

#17445B #50175B #5B2E17 #225B17

split-complementary

#17445B #5B1722 #5B5017

monochromatic

#061218 #0B1F2A #17445B #23698C #308DBD

Accessibility & contrast

On white

10.42

#17445B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#17445B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17445B

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17445B	#FFFFFF	#000000	##FFFFFF
##17445B	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39435C

Deuteranopia (green-blind)

#303D5B

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #17445b;
/* rgb */ color: rgb(23, 68, 91);
/* oklch */ color: oklch(36.7% 0.063 234.5);

Tailwind

colors: {
  custom: {
    50: '#5e7789',
    500: '#17445b',
    950: '#000000',
  },
}

SCSS

$custom: #17445b;
$custom-light: #5e7789;
$custom-dark: #000000;

JSON

{
  "hex": "#17445b",
  "rgb": {
    "r": 23,
    "g": 68,
    "b": 91
  },
  "hsl": {
    "h": 200.294,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.36712,
    "c": 0.06251,
    "h": 234.5
  },
  "luminance": 0.05072
}

Semantic roles & 50–950 ramp

primary

#17445B

secondary

#92593C

accent

#7A45E3

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #17445B

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

Preview Lab → · Contrast checker → · Palette generator →