#217B90#217B90

#217B90 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.1% C 0.087 H 217.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#217B90
RGBrgb(33, 123, 144)
HSLhsl(191, 63%, 35%)
HSVhsv(191, 77%, 56%)
CMYKcmyk(77.1%, 14.6%, 0%, 43.5%)
CIE-LABlab(47.63, -18.35, -18.82)
CIE-LCHlch(47.63, 26.29, 225.73°)
OKLaboklab(54.12% -0.069 -0.0526)
OKLCHoklch(54.12% 0.087 217.3)
XYZxyz(12.7421, 16.5013, 28.8937)
Luminance0.1650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#217B90 #903621
analogous
#21906D #217B90 #214490
triadic
#217B90 #90217B #7B9021
tetradic
#217B90 #6D2190 #903621 #449021
square
#217B90 #6D2190 #903621 #449021
split-complementary
#217B90 #902144 #906D21
monochromatic
#0A262C #16505E #217B90 #2CA6C2 #54BFD8

Accessibility & contrast

On white

4.88
#217B90 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#217B90 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217B90
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##217B90#FFFFFF#000000##FFFFFF
##217B901.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D7791
Deuteranopia (green-blind)
#5E6C90
Tritanopia (blue-blind)
#008282
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #217b90;
/* rgb */ color: rgb(33, 123, 144);
/* oklch */ color: oklch(54.1% 0.087 217.3);
Tailwind
colors: {
  custom: {
    50: '#6fa1b0',
    500: '#217b90',
    950: '#000000',
  },
}
SCSS
$custom: #217b90;
$custom-light: #6fa1b0;
$custom-dark: #000000;
JSON
{
  "hex": "#217b90",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 144
  },
  "hsl": {
    "h": 191.351,
    "s": 62.712,
    "l": 34.706
  },
  "oklch": {
    "l": 0.54115,
    "c": 0.08675,
    "h": 217.3
  },
  "luminance": 0.16503
}

Semantic roles & 50–950 ramp

primary
#217B90
secondary
#BB6551
accent
#6142E6
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080F10
muted
#7B7E7F

Preview Lab

Preview with #217B90

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

Preview Lab → · Contrast checker → · Palette generator →

#217B90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva