#17778D#17778D

#17778D is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.7% C 0.089 H 217.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#17778D
RGB	rgb(23, 119, 141)
HSL	hsl(191, 72%, 32%)
HSV	hsv(191, 84%, 55%)
CMYK	cmyk(83.7%, 15.6%, 0%, 44.7%)
CIE-LAB	lab(46.04, -18.29, -19.50)
CIE-LCH	lch(46.04, 26.73, 226.83°)
OKLab	oklab(52.75% -0.07 -0.0545)
OKLCH	oklch(52.75% 0.089 217.9)
XYZ	xyz(11.7558, 15.2974, 27.5272)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17778D #8D2D17

analogous

#178D68 #17778D #173C8D

triadic

#17778D #8D1777 #778D17

tetradic

#17778D #68178D #8D2D17 #3C8D17

square

#17778D #68178D #8D2D17 #3C8D17

split-complementary

#17778D #8D173C #8D6817

monochromatic

#061E24 #0E4B58 #17778D #20A3C2 #3FC2E0

Accessibility & contrast

On white

5.17

#17778D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#17778D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17778D

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17778D	#FFFFFF	#000000	##FFFFFF
##17778D	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69738E

Deuteranopia (green-blind)

#5A688D

Tritanopia (blue-blind)

#007E7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #17778d;
/* rgb */ color: rgb(23, 119, 141);
/* oklch */ color: oklch(52.7% 0.089 217.9);

Tailwind

colors: {
  custom: {
    50: '#6b9eae',
    500: '#17778d',
    950: '#000000',
  },
}

SCSS

$custom: #17778d;
$custom-light: #6b9eae;
$custom-dark: #000000;

JSON

{
  "hex": "#17778d",
  "rgb": {
    "r": 23,
    "g": 119,
    "b": 141
  },
  "hsl": {
    "h": 191.186,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52745,
    "c": 0.08871,
    "h": 217.9
  },
  "luminance": 0.15299
}

Semantic roles & 50–950 ramp

primary

#17778D

secondary

#C05840

accent

#5B39EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #17778D

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

Preview Lab → · Contrast checker → · Palette generator →