#217E9F#217E9F

#217E9F is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.097 H 227.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#217E9F
RGB	rgb(33, 126, 159)
HSL	hsl(196, 66%, 38%)
HSV	hsv(196, 79%, 62%)
CMYK	cmyk(79.2%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(49.19, -14.78, -25.21)
CIE-LCH	lch(49.19, 29.23, 239.62°)
OKLab	oklab(55.57% -0.066 -0.0708)
OKLCH	oklch(55.57% 0.097 227)
XYZ	xyz(14.3435, 17.7465, 35.4636)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217E9F #9F4221

analogous

#219F81 #217E9F #213F9F

triadic

#217E9F #9F217E #7E9F21

tetradic

#217E9F #81219F #9F4221 #3F9F21

square

#217E9F #81219F #9F4221 #3F9F21

split-complementary

#217E9F #9F213F #9F8121

monochromatic

#0C2E3A #16566C #217E9F #2CA6D2 #5DBCDD

Accessibility & contrast

On white

4.62

#217E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#217E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217E9F

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217E9F	#FFFFFF	#000000	##FFFFFF
##217E9F	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA1

Deuteranopia (green-blind)

#5C709F

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217e9f;
/* rgb */ color: rgb(33, 126, 159);
/* oklch */ color: oklch(55.6% 0.097 227.0);

Tailwind

colors: {
  custom: {
    50: '#71a3bb',
    500: '#217e9f',
    950: '#000000',
  },
}

SCSS

$custom: #217e9f;
$custom-light: #71a3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#217e9f",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 195.714,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55571,
    "c": 0.09681,
    "h": 227
  },
  "luminance": 0.17748
}

Semantic roles & 50–950 ramp

primary

#217E9F

secondary

#C2755A

accent

#6C3FE9

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217E9F

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

Preview Lab → · Contrast checker → · Palette generator →