#217B9C#217B9C

#217B9C is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.095 H 227.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#217B9C
RGB	rgb(33, 123, 156)
HSL	hsl(196, 65%, 37%)
HSV	hsv(196, 79%, 61%)
CMYK	cmyk(78.8%, 21.2%, 0%, 38.8%)
CIE-LAB	lab(48.12, -14.16, -25.11)
CIE-LCH	lch(48.12, 28.83, 240.58°)
OKLab	oklab(54.67% -0.0642 -0.0705)
OKLCH	oklch(54.67% 0.095 227.7)
XYZ	xyz(13.7084, 16.8879, 33.9832)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217B9C #9C4221

analogous

#219C80 #217B9C #213D9C

triadic

#217B9C #9C217B #7B9C21

tetradic

#217B9C #80219C #9C4221 #3D9C21

square

#217B9C #80219C #9C4221 #3D9C21

split-complementary

#217B9C #9C213D #9C8021

monochromatic

#0C2B37 #165369 #217B9C #2CA3CF #5BBADC

Accessibility & contrast

On white

4.80

#217B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#217B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217B9C

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217B9C	#FFFFFF	#000000	##FFFFFF
##217B9C	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A799E

Deuteranopia (green-blind)

#596D9C

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #217b9c;
/* rgb */ color: rgb(33, 123, 156);
/* oklch */ color: oklch(54.7% 0.095 227.7);

Tailwind

colors: {
  custom: {
    50: '#71a1b9',
    500: '#217b9c',
    950: '#000000',
  },
}

SCSS

$custom: #217b9c;
$custom-light: #71a1b9;
$custom-dark: #000000;

JSON

{
  "hex": "#217b9c",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 156
  },
  "hsl": {
    "h": 196.098,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54673,
    "c": 0.09538,
    "h": 227.7
  },
  "luminance": 0.1689
}

Semantic roles & 50–950 ramp

primary

#217B9C

secondary

#C17458

accent

#6D40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #217B9C

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

Preview Lab → · Contrast checker → · Palette generator →