#17657B#17657B

#17657B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.079 H 221.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#17657B
RGB	rgb(23, 101, 123)
HSL	hsl(193, 68%, 29%)
HSV	hsv(193, 81%, 48%)
CMYK	cmyk(81.3%, 17.9%, 0%, 51.8%)
CIE-LAB	lab(39.44, -14.68, -18.83)
CIE-LCH	lch(39.44, 23.88, 232.07°)
OKLab	oklab(47.19% -0.0592 -0.0527)
OKLCH	oklch(47.19% 0.079 221.7)
XYZ	xyz(8.5807, 10.9185, 20.3903)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17657B #7B2D17

analogous

#177B5F #17657B #17337B

triadic

#17657B #7B1765 #657B17

tetradic

#17657B #5F177B #7B2D17 #337B17

square

#17657B #5F177B #7B2D17 #337B17

split-complementary

#17657B #7B1733 #7B5F17

monochromatic

#05151A #0D3B47 #17657B #218FAF #33B5D9

Accessibility & contrast

On white

6.60

#17657B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#17657B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17657B

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17657B	#FFFFFF	#000000	##FFFFFF
##17657B	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627C

Deuteranopia (green-blind)

#4B597B

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #17657b;
/* rgb */ color: rgb(23, 101, 123);
/* oklch */ color: oklch(47.2% 0.079 221.7);

Tailwind

colors: {
  custom: {
    50: '#6691a1',
    500: '#17657b',
    950: '#000000',
  },
}

SCSS

$custom: #17657b;
$custom-light: #6691a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17657b",
  "rgb": {
    "r": 23,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 193.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47194,
    "c": 0.07926,
    "h": 221.7
  },
  "luminance": 0.1092
}

Semantic roles & 50–950 ramp

primary

#17657B

secondary

#B0573E

accent

#633CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #17657B

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

Preview Lab → · Contrast checker → · Palette generator →