#17778F#17778F

#17778F is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 52.8% C 0.090 H 219.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#17778F
RGB	rgb(23, 119, 143)
HSL	hsl(192, 72%, 33%)
HSV	hsv(192, 84%, 56%)
CMYK	cmyk(83.9%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(46.12, -17.58, -20.56)
CIE-LCH	lch(46.12, 27.05, 229.46°)
OKLab	oklab(52.84% -0.0691 -0.0576)
OKLCH	oklch(52.84% 0.09 219.8)
XYZ	xyz(11.9060, 15.3575, 28.3181)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17778F #8F2F17

analogous

#178F6B #17778F #173B8F

triadic

#17778F #8F1777 #778F17

tetradic

#17778F #6B178F #8F2F17 #3B8F17

square

#17778F #6B178F #8F2F17 #3B8F17

split-complementary

#17778F #8F173B #8F6B17

monochromatic

#061F26 #0F4B5A #17778F #1FA3C4 #40C0E0

Accessibility & contrast

On white

5.16

#17778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#17778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17778F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17778F	#FFFFFF	#000000	##FFFFFF
##17778F	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687490

Deuteranopia (green-blind)

#59688F

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #17778f;
/* rgb */ color: rgb(23, 119, 143);
/* oklch */ color: oklch(52.8% 0.090 219.8);

Tailwind

colors: {
  custom: {
    50: '#6b9eaf',
    500: '#17778f',
    950: '#000000',
  },
}

SCSS

$custom: #17778f;
$custom-light: #6b9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#17778f",
  "rgb": {
    "r": 23,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 192,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.52837,
    "c": 0.08997,
    "h": 219.8
  },
  "luminance": 0.15359
}

Semantic roles & 50–950 ramp

primary

#17778F

secondary

#C15B41

accent

#5D39EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #17778F

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

Preview Lab → · Contrast checker → · Palette generator →