#217F99#217F99

#217F99 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.5% C 0.092 H 221.1°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#217F99
RGB	rgb(33, 127, 153)
HSL	hsl(193, 65%, 36%)
HSV	hsv(193, 78%, 60%)
CMYK	cmyk(78.4%, 17%, 0%, 40%)
CIE-LAB	lab(49.25, -17.43, -21.61)
CIE-LCH	lch(49.25, 27.76, 231.11°)
OKLab	oklab(55.54% -0.0694 -0.0605)
OKLCH	oklch(55.54% 0.092 221.1)
XYZ	xyz(13.9639, 17.8003, 32.8307)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217F99 #993B21

analogous

#219977 #217F99 #214399

triadic

#217F99 #99217F #7F9921

tetradic

#217F99 #772199 #993B21 #439921

square

#217F99 #772199 #993B21 #439921

split-complementary

#217F99 #992143 #997721

monochromatic

#0B2B34 #165567 #217F99 #2CA9CB #59BFDB

Accessibility & contrast

On white

4.60

#217F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#217F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217F99

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217F99	#FFFFFF	#000000	##FFFFFF
##217F99	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9A

Deuteranopia (green-blind)

#5F7099

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217f99;
/* rgb */ color: rgb(33, 127, 153);
/* oklch */ color: oklch(55.5% 0.092 221.1);

Tailwind

colors: {
  custom: {
    50: '#70a4b7',
    500: '#217f99',
    950: '#000000',
  },
}

SCSS

$custom: #217f99;
$custom-light: #70a4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#217f99",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 153
  },
  "hsl": {
    "h": 193,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.55541,
    "c": 0.09204,
    "h": 221.1
  },
  "luminance": 0.17802
}

Semantic roles & 50–950 ramp

primary

#217F99

secondary

#BF6D56

accent

#6540E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217F99

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

Preview Lab → · Contrast checker → · Palette generator →