#217B9E#217B9E

#217B9E is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.8% C 0.097 H 229.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#217B9E
RGB	rgb(33, 123, 158)
HSL	hsl(197, 65%, 37%)
HSV	hsv(197, 79%, 62%)
CMYK	cmyk(79.1%, 22.2%, 0%, 38%)
CIE-LAB	lab(48.20, -13.45, -26.15)
CIE-LCH	lch(48.20, 29.41, 242.79°)
OKLab	oklab(54.77% -0.0634 -0.0735)
OKLCH	oklch(54.77% 0.097 229.2)
XYZ	xyz(13.8792, 16.9562, 34.8825)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217B9E #9E4421

analogous

#219E83 #217B9E #213D9E

triadic

#217B9E #9E217B #7B9E21

tetradic

#217B9E #83219E #9E4421 #3D9E21

square

#217B9E #83219E #9E4421 #3D9E21

split-complementary

#217B9E #9E213D #9E8321

monochromatic

#0C2C39 #16546B #217B9E #2CA2D1 #5CB9DD

Accessibility & contrast

On white

4.78

#217B9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#217B9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217B9E

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217B9E	#FFFFFF	#000000	##FFFFFF
##217B9E	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6979A0

Deuteranopia (green-blind)

#586D9E

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #217b9e;
/* rgb */ color: rgb(33, 123, 158);
/* oklch */ color: oklch(54.8% 0.097 229.2);

Tailwind

colors: {
  custom: {
    50: '#71a1ba',
    500: '#217b9e',
    950: '#000000',
  },
}

SCSS

$custom: #217b9e;
$custom-light: #71a1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#217b9e",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 158
  },
  "hsl": {
    "h": 196.8,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54771,
    "c": 0.09711,
    "h": 229.2
  },
  "luminance": 0.16958
}

Semantic roles & 50–950 ramp

primary

#217B9E

secondary

#C17759

accent

#6F3FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #217B9E

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

Preview Lab → · Contrast checker → · Palette generator →