#217FA3#217FA3

#217FA3 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.100 H 229.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#217FA3
RGB	rgb(33, 127, 163)
HSL	hsl(197, 66%, 38%)
HSV	hsv(197, 80%, 64%)
CMYK	cmyk(79.8%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(49.67, -13.92, -26.80)
CIE-LCH	lch(49.67, 30.20, 242.55°)
OKLab	oklab(56.02% -0.0655 -0.0753)
OKLCH	oklch(56.02% 0.1 229)
XYZ	xyz(14.8247, 18.1446, 37.3642)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217FA3 #A34521

analogous

#21A386 #217FA3 #213EA3

triadic

#217FA3 #A3217F #7FA321

tetradic

#217FA3 #8621A3 #A34521 #3EA321

square

#217FA3 #8621A3 #A34521 #3EA321

split-complementary

#217FA3 #A3213E #A38621

monochromatic

#0C303D #175770 #217FA3 #2DA6D4 #60BCDF

Accessibility & contrast

On white

4.54

#217FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#217FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217FA3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217FA3	#FFFFFF	#000000	##000000
##217FA3	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA5

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #217fa3;
/* rgb */ color: rgb(33, 127, 163);
/* oklch */ color: oklch(56.0% 0.100 229.0);

Tailwind

colors: {
  custom: {
    50: '#72a4be',
    500: '#217fa3',
    950: '#000000',
  },
}

SCSS

$custom: #217fa3;
$custom-light: #72a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#217fa3",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 196.615,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.09983,
    "h": 229
  },
  "luminance": 0.18146
}

Semantic roles & 50–950 ramp

primary

#217FA3

secondary

#C3795C

accent

#6E3FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217FA3

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

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