#217F9C#217F9C

#217F9C is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.094 H 223.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#217F9C
RGB	rgb(33, 127, 156)
HSL	hsl(194, 65%, 37%)
HSV	hsv(194, 79%, 61%)
CMYK	cmyk(78.8%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(49.38, -16.39, -23.17)
CIE-LCH	lch(49.38, 28.38, 234.73°)
OKLab	oklab(55.68% -0.0682 -0.0649)
OKLCH	oklch(55.68% 0.094 223.6)
XYZ	xyz(14.2148, 17.9006, 34.1520)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217F9C #9C3E21

analogous

#219C7B #217F9C #21429C

triadic

#217F9C #9C217F #7F9C21

tetradic

#217F9C #7B219C #9C3E21 #429C21

square

#217F9C #7B219C #9C3E21 #429C21

split-complementary

#217F9C #9C2142 #9C7B21

monochromatic

#0C2D37 #165669 #217F9C #2CA8CF #5BBEDC

Accessibility & contrast

On white

4.58

#217F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#217F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217F9C

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217F9C	#FFFFFF	#000000	##000000
##217F9C	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9D

Deuteranopia (green-blind)

#5E709C

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217f9c;
/* rgb */ color: rgb(33, 127, 156);
/* oklch */ color: oklch(55.7% 0.094 223.6);

Tailwind

colors: {
  custom: {
    50: '#71a4b9',
    500: '#217f9c',
    950: '#000000',
  },
}

SCSS

$custom: #217f9c;
$custom-light: #71a4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#217f9c",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 194.146,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.5568,
    "c": 0.09416,
    "h": 223.6
  },
  "luminance": 0.17902
}

Semantic roles & 50–950 ramp

primary

#217F9C

secondary

#C17158

accent

#6740E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217F9C

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

Preview Lab → · Contrast checker → · Palette generator →