#217F9E#217F9E

#217F9E is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.096 H 225.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#217F9E
RGBrgb(33, 127, 158)
HSLhsl(195, 65%, 37%)
HSVhsv(195, 79%, 62%)
CMYKcmyk(79.1%, 19.6%, 0%, 38%)
CIE-LABlab(49.46, -15.69, -24.21)
CIE-LCHlch(49.46, 28.85, 237.06°)
OKLaboklab(55.77% -0.0674 -0.0679)
OKLCHoklch(55.77% 0.096 225.2)
XYZxyz(14.3856, 17.9689, 35.0513)
Luminance0.1797 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#217F9E #9E4021
analogous
#219E7F #217F9E #21419E
triadic
#217F9E #9E217F #7F9E21
tetradic
#217F9E #7F219E #9E4021 #419E21
square
#217F9E #7F219E #9E4021 #419E21
split-complementary
#217F9E #9E2141 #9E7F21
monochromatic
#0C2E39 #16566B #217F9E #2CA8D1 #5CBDDD

Accessibility & contrast

On white

4.57
#217F9E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.59
#217F9E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217F9E
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##217F9E#FFFFFF#000000##000000
##217F9E1.004.574.594.59
#FFFFFF4.571.0021.0021.00
#0000004.5921.001.001.00
##0000004.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E7CA0
Deuteranopia (green-blind)
#5D709E
Tritanopia (blue-blind)
#008889
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #217f9e;
/* rgb */ color: rgb(33, 127, 158);
/* oklch */ color: oklch(55.8% 0.096 225.2);
Tailwind
colors: {
  custom: {
    50: '#71a4ba',
    500: '#217f9e',
    950: '#000000',
  },
}
SCSS
$custom: #217f9e;
$custom-light: #71a4ba;
$custom-dark: #000000;
JSON
{
  "hex": "#217f9e",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 158
  },
  "hsl": {
    "h": 194.88,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55774,
    "c": 0.09569,
    "h": 225.2
  },
  "luminance": 0.17971
}

Semantic roles & 50–950 ramp

primary
#217F9E
secondary
#C17359
accent
#693FE8
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #217F9E

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

Preview Lab → · Contrast checker → · Palette generator →

#217F9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva