#217D9D#217D9D

#217D9D is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.096 H 226.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#217D9D
RGB	rgb(33, 125, 157)
HSL	hsl(195, 65%, 37%)
HSV	hsv(195, 79%, 62%)
CMYK	cmyk(79%, 20.4%, 0%, 38.4%)
CIE-LAB	lab(48.79, -14.93, -24.66)
CIE-LCH	lch(48.79, 28.83, 238.82°)
OKLab	oklab(55.22% -0.0658 -0.0692)
OKLCH	oklch(55.22% 0.096 226.5)
XYZ	xyz(14.0441, 17.4232, 34.5146)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217D9D #9D4121

analogous

#219D7F #217D9D #213F9D

triadic

#217D9D #9D217D #7D9D21

tetradic

#217D9D #7F219D #9D4121 #3F9D21

square

#217D9D #7F219D #9D4121 #3F9D21

split-complementary

#217D9D #9D213F #9D7F21

monochromatic

#0C2C38 #16556A #217D9D #2CA5D0 #5CBBDD

Accessibility & contrast

On white

4.68

#217D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#217D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217D9D

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217D9D	#FFFFFF	#000000	##FFFFFF
##217D9D	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7B9F

Deuteranopia (green-blind)

#5B6F9D

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217d9d;
/* rgb */ color: rgb(33, 125, 157);
/* oklch */ color: oklch(55.2% 0.096 226.5);

Tailwind

colors: {
  custom: {
    50: '#71a2ba',
    500: '#217d9d',
    950: '#000000',
  },
}

SCSS

$custom: #217d9d;
$custom-light: #71a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#217d9d",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 157
  },
  "hsl": {
    "h": 195.484,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.09552,
    "h": 226.5
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#217D9D

secondary

#C17459

accent

#6B40E8

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217D9D

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

Preview Lab → · Contrast checker → · Palette generator →