#217D9E#217D9E

#217D9E is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.096 H 227.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#217D9E
RGB	rgb(33, 125, 158)
HSL	hsl(196, 65%, 37%)
HSV	hsv(196, 79%, 62%)
CMYK	cmyk(79.1%, 20.9%, 0%, 38%)
CIE-LAB	lab(48.83, -14.57, -25.18)
CIE-LCH	lch(48.83, 29.09, 239.94°)
OKLab	oklab(55.27% -0.0654 -0.0707)
OKLCH	oklch(55.27% 0.096 227.2)
XYZ	xyz(14.1298, 17.4575, 34.9660)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217D9E #9E4221

analogous

#219E81 #217D9E #213F9E

triadic

#217D9E #9E217D #7D9E21

tetradic

#217D9E #81219E #9E4221 #3F9E21

square

#217D9E #81219E #9E4221 #3F9E21

split-complementary

#217D9E #9E213F #9E8121

monochromatic

#0C2D39 #16556B #217D9E #2CA5D1 #5CBBDD

Accessibility & contrast

On white

4.68

#217D9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#217D9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217D9E

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217D9E	#FFFFFF	#000000	##FFFFFF
##217D9E	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA0

Deuteranopia (green-blind)

#5B6F9E

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217d9e;
/* rgb */ color: rgb(33, 125, 158);
/* oklch */ color: oklch(55.3% 0.096 227.2);

Tailwind

colors: {
  custom: {
    50: '#71a2ba',
    500: '#217d9e',
    950: '#000000',
  },
}

SCSS

$custom: #217d9e;
$custom-light: #71a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#217d9e",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 158
  },
  "hsl": {
    "h": 195.84,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55272,
    "c": 0.09634,
    "h": 227.2
  },
  "luminance": 0.17459
}

Semantic roles & 50–950 ramp

primary

#217D9E

secondary

#C17559

accent

#6C3FE8

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217D9E

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

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