#217F9D#217F9D

#217F9D is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.095 H 224.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#217F9D
RGB	rgb(33, 127, 157)
HSL	hsl(195, 65%, 37%)
HSV	hsv(195, 79%, 62%)
CMYK	cmyk(79%, 19.1%, 0%, 38.4%)
CIE-LAB	lab(49.42, -16.04, -23.69)
CIE-LCH	lch(49.42, 28.61, 235.90°)
OKLab	oklab(55.73% -0.0678 -0.0664)
OKLCH	oklch(55.73% 0.095 224.4)
XYZ	xyz(14.2998, 17.9347, 34.5998)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217F9D #9D3F21

analogous

#219D7D #217F9D #21419D

triadic

#217F9D #9D217F #7F9D21

tetradic

#217F9D #7D219D #9D3F21 #419D21

square

#217F9D #7D219D #9D3F21 #419D21

split-complementary

#217F9D #9D2141 #9D7D21

monochromatic

#0C2D38 #16566A #217F9D #2CA8D0 #5CBDDD

Accessibility & contrast

On white

4.58

#217F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#217F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217F9D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217F9D	#FFFFFF	#000000	##000000
##217F9D	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7C9F

Deuteranopia (green-blind)

#5E709D

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217f9d;
/* rgb */ color: rgb(33, 127, 157);
/* oklch */ color: oklch(55.7% 0.095 224.4);

Tailwind

colors: {
  custom: {
    50: '#71a4ba',
    500: '#217f9d',
    950: '#000000',
  },
}

SCSS

$custom: #217f9d;
$custom-light: #71a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#217f9d",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 157
  },
  "hsl": {
    "h": 194.516,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55727,
    "c": 0.09492,
    "h": 224.4
  },
  "luminance": 0.17936
}

Semantic roles & 50–950 ramp

primary

#217F9D

secondary

#C17259

accent

#6840E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217F9D

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

Preview Lab → · Contrast checker → · Palette generator →