#17647B#17647B

#17647B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.079 H 223.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#17647B
RGB	rgb(23, 100, 123)
HSL	hsl(194, 68%, 29%)
HSV	hsv(194, 81%, 48%)
CMYK	cmyk(81.3%, 18.7%, 0%, 51.8%)
CIE-LAB	lab(39.11, -14.10, -19.34)
CIE-LCH	lch(39.11, 23.94, 233.90°)
OKLab	oklab(46.93% -0.0581 -0.0542)
OKLCH	oklch(46.93% 0.079 223)
XYZ	xyz(8.4842, 10.7255, 20.3581)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17647B #7B2E17

analogous

#177B60 #17647B #17327B

triadic

#17647B #7B1764 #647B17

tetradic

#17647B #60177B #7B2E17 #327B17

square

#17647B #60177B #7B2E17 #327B17

split-complementary

#17647B #7B1732 #7B6017

monochromatic

#05151A #0D3A47 #17647B #218EAF #33B3D9

Accessibility & contrast

On white

6.68

#17647B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#17647B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17647B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17647B	#FFFFFF	#000000	##FFFFFF
##17647B	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627C

Deuteranopia (green-blind)

#4A587B

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #17647b;
/* rgb */ color: rgb(23, 100, 123);
/* oklch */ color: oklch(46.9% 0.079 223.0);

Tailwind

colors: {
  custom: {
    50: '#6690a1',
    500: '#17647b',
    950: '#000000',
  },
}

SCSS

$custom: #17647b;
$custom-light: #6690a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17647b",
  "rgb": {
    "r": 23,
    "g": 100,
    "b": 123
  },
  "hsl": {
    "h": 193.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.46931,
    "c": 0.07947,
    "h": 223
  },
  "luminance": 0.10727
}

Semantic roles & 50–950 ramp

primary

#17647B

secondary

#B0583E

accent

#653CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #17647B

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

Preview Lab → · Contrast checker → · Palette generator →