#217C9F#217C9F

#217C9F is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.098 H 229.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#217C9F
RGB	rgb(33, 124, 159)
HSL	hsl(197, 66%, 38%)
HSV	hsv(197, 79%, 62%)
CMYK	cmyk(79.2%, 22%, 0%, 37.6%)
CIE-LAB	lab(48.56, -13.66, -26.18)
CIE-LCH	lch(48.56, 29.53, 242.46°)
OKLab	oklab(55.07% -0.064 -0.0736)
OKLCH	oklch(55.07% 0.098 229)
XYZ	xyz(14.0903, 17.2401, 35.3792)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217C9F #9F4421

analogous

#219F83 #217C9F #213D9F

triadic

#217C9F #9F217C #7C9F21

tetradic

#217C9F #83219F #9F4421 #3D9F21

square

#217C9F #83219F #9F4421 #3D9F21

split-complementary

#217C9F #9F213D #9F8321

monochromatic

#0C2D3A #16546C #217C9F #2CA4D2 #5DBADD

Accessibility & contrast

On white

4.72

#217C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#217C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217C9F

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217C9F	#FFFFFF	#000000	##FFFFFF
##217C9F	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7AA1

Deuteranopia (green-blind)

#596E9F

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #217c9f;
/* rgb */ color: rgb(33, 124, 159);
/* oklch */ color: oklch(55.1% 0.098 229.0);

Tailwind

colors: {
  custom: {
    50: '#71a2bb',
    500: '#217c9f',
    950: '#000000',
  },
}

SCSS

$custom: #217c9f;
$custom-light: #71a2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#217c9f",
  "rgb": {
    "r": 33,
    "g": 124,
    "b": 159
  },
  "hsl": {
    "h": 196.667,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5507,
    "c": 0.09758,
    "h": 229
  },
  "luminance": 0.17242
}

Semantic roles & 50–950 ramp

primary

#217C9F

secondary

#C2775A

accent

#6E3FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217C9F

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

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