#217B9B#217B9B

#217B9B is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.6% C 0.095 H 226.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#217B9B
RGB	rgb(33, 123, 155)
HSL	hsl(196, 65%, 37%)
HSV	hsv(196, 79%, 61%)
CMYK	cmyk(78.7%, 20.6%, 0%, 39.2%)
CIE-LAB	lab(48.08, -14.52, -24.59)
CIE-LCH	lch(48.08, 28.56, 239.45°)
OKLab	oklab(54.63% -0.0646 -0.0691)
OKLCH	oklch(54.63% 0.095 226.9)
XYZ	xyz(13.6241, 16.8542, 33.5391)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217B9B #9B4121

analogous

#219B7E #217B9B #213E9B

triadic

#217B9B #9B217B #7B9B21

tetradic

#217B9B #7E219B #9B4121 #3E9B21

square

#217B9B #7E219B #9B4121 #3E9B21

split-complementary

#217B9B #9B213E #9B7E21

monochromatic

#0C2B36 #165369 #217B9B #2CA3CD #5ABADC

Accessibility & contrast

On white

4.80

#217B9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#217B9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217B9B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217B9B	#FFFFFF	#000000	##FFFFFF
##217B9B	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A799D

Deuteranopia (green-blind)

#5A6D9B

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #217b9b;
/* rgb */ color: rgb(33, 123, 155);
/* oklch */ color: oklch(54.6% 0.095 226.9);

Tailwind

colors: {
  custom: {
    50: '#70a1b8',
    500: '#217b9b',
    950: '#000000',
  },
}

SCSS

$custom: #217b9b;
$custom-light: #70a1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#217b9b",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 155
  },
  "hsl": {
    "h": 195.738,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54625,
    "c": 0.09455,
    "h": 226.9
  },
  "luminance": 0.16856
}

Semantic roles & 50–950 ramp

primary

#217B9B

secondary

#C07358

accent

#6C40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #217B9B

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

Preview Lab → · Contrast checker → · Palette generator →