#217D9F#217D9F

#217D9F is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.097 H 228.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#217D9F
RGB	rgb(33, 125, 159)
HSL	hsl(196, 66%, 38%)
HSV	hsv(196, 79%, 62%)
CMYK	cmyk(79.2%, 21.4%, 0%, 37.6%)
CIE-LAB	lab(48.87, -14.22, -25.70)
CIE-LCH	lch(48.87, 29.37, 241.05°)
OKLab	oklab(55.32% -0.065 -0.0722)
OKLCH	oklch(55.32% 0.097 228)
XYZ	xyz(14.2163, 17.4920, 35.4212)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217D9F #9F4321

analogous

#219F82 #217D9F #213E9F

triadic

#217D9F #9F217D #7D9F21

tetradic

#217D9F #82219F #9F4321 #3E9F21

square

#217D9F #82219F #9F4321 #3E9F21

split-complementary

#217D9F #9F213E #9F8221

monochromatic

#0C2D3A #16556C #217D9F #2CA5D2 #5DBBDD

Accessibility & contrast

On white

4.67

#217D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#217D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217D9F

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217D9F	#FFFFFF	#000000	##FFFFFF
##217D9F	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA1

Deuteranopia (green-blind)

#5A6F9F

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217d9f;
/* rgb */ color: rgb(33, 125, 159);
/* oklch */ color: oklch(55.3% 0.097 228.0);

Tailwind

colors: {
  custom: {
    50: '#71a2bb',
    500: '#217d9f',
    950: '#000000',
  },
}

SCSS

$custom: #217d9f;
$custom-light: #71a2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#217d9f",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 159
  },
  "hsl": {
    "h": 196.19,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5532,
    "c": 0.09718,
    "h": 228
  },
  "luminance": 0.17494
}

Semantic roles & 50–950 ramp

primary

#217D9F

secondary

#C2765A

accent

#6D3FE9

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217D9F

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

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