#17455A#17455A

#17455A is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 36.9% C 0.061 H 231.6°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#17455A
RGB	rgb(23, 69, 90)
HSL	hsl(199, 59%, 22%)
HSV	hsv(199, 74%, 35%)
CMYK	cmyk(74.4%, 23.3%, 0%, 64.7%)
CIE-LAB	lab(27.23, -7.82, -17.01)
CIE-LCH	lch(27.23, 18.72, 245.32°)
OKLab	oklab(36.93% -0.0378 -0.0477)
OKLCH	oklch(36.93% 0.061 231.6)
XYZ	xyz(4.3262, 5.1761, 10.4420)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17455A #5A2C17

analogous

#175A4E #17455A #17245A

triadic

#17455A #5A1745 #455A17

tetradic

#17455A #4E175A #5A2C17 #245A17

square

#17455A #4E175A #5A2C17 #245A17

split-complementary

#17455A #5A1724 #5A4E17

monochromatic

#061318 #0B2029 #17455A #236A8B #3090BB

Accessibility & contrast

On white

10.32

#17455A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#17455A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17455A

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17455A	#FFFFFF	#000000	##FFFFFF
##17455A	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445B

Deuteranopia (green-blind)

#313D5A

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #17455a;
/* rgb */ color: rgb(23, 69, 90);
/* oklch */ color: oklch(36.9% 0.061 231.6);

Tailwind

colors: {
  custom: {
    50: '#5e7888',
    500: '#17455a',
    950: '#000000',
  },
}

SCSS

$custom: #17455a;
$custom-light: #5e7888;
$custom-dark: #000000;

JSON

{
  "hex": "#17455a",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 90
  },
  "hsl": {
    "h": 198.806,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.36931,
    "c": 0.06091,
    "h": 231.6
  },
  "luminance": 0.05177
}

Semantic roles & 50–950 ramp

primary

#17455A

secondary

#91573C

accent

#7745E2

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #17455A

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

Preview Lab → · Contrast checker → · Palette generator →