#217F9B#217F9B

#217F9B is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.6% C 0.093 H 222.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#217F9B
RGB	rgb(33, 127, 155)
HSL	hsl(194, 65%, 37%)
HSV	hsv(194, 79%, 61%)
CMYK	cmyk(78.7%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(49.33, -16.74, -22.65)
CIE-LCH	lch(49.33, 28.16, 233.54°)
OKLab	oklab(55.63% -0.0686 -0.0635)
OKLCH	oklch(55.63% 0.093 222.8)
XYZ	xyz(14.1305, 17.8669, 33.7079)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217F9B #9B3D21

analogous

#219B7A #217F9B #21429B

triadic

#217F9B #9B217F #7F9B21

tetradic

#217F9B #7A219B #9B3D21 #429B21

square

#217F9B #7A219B #9B3D21 #429B21

split-complementary

#217F9B #9B2142 #9B7A21

monochromatic

#0C2C36 #165669 #217F9B #2CA8CD #5ABEDC

Accessibility & contrast

On white

4.59

#217F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#217F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217F9B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217F9B	#FFFFFF	#000000	##FFFFFF
##217F9B	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9C

Deuteranopia (green-blind)

#5F709B

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217f9b;
/* rgb */ color: rgb(33, 127, 155);
/* oklch */ color: oklch(55.6% 0.093 222.8);

Tailwind

colors: {
  custom: {
    50: '#71a4b8',
    500: '#217f9b',
    950: '#000000',
  },
}

SCSS

$custom: #217f9b;
$custom-light: #71a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#217f9b",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 193.77,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55634,
    "c": 0.09344,
    "h": 222.8
  },
  "luminance": 0.17869
}

Semantic roles & 50–950 ramp

primary

#217F9B

secondary

#C07058

accent

#6640E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217F9B

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

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