#217FA4#217FA4

#217FA4 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.101 H 229.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#217FA4
RGB	rgb(33, 127, 164)
HSL	hsl(197, 66%, 39%)
HSV	hsv(197, 80%, 64%)
CMYK	cmyk(79.9%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(49.71, -13.56, -27.31)
CIE-LCH	lch(49.71, 30.49, 243.59°)
OKLab	oklab(56.06% -0.0651 -0.0768)
OKLCH	oklch(56.06% 0.101 229.7)
XYZ	xyz(14.9147, 18.1806, 37.8379)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217FA4 #A44621

analogous

#21A487 #217FA4 #213DA4

triadic

#217FA4 #A4217F #7FA421

tetradic

#217FA4 #8721A4 #A44621 #3DA421

square

#217FA4 #8721A4 #A44621 #3DA421

split-complementary

#217FA4 #A4213D #A48721

monochromatic

#0C303E #175871 #217FA4 #2DA6D5 #60BBDF

Accessibility & contrast

On white

4.53

#217FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#217FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217FA4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217FA4	#FFFFFF	#000000	##000000
##217FA4	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA6

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #217fa4;
/* rgb */ color: rgb(33, 127, 164);
/* oklch */ color: oklch(56.1% 0.101 229.7);

Tailwind

colors: {
  custom: {
    50: '#72a4bf',
    500: '#217fa4',
    950: '#000000',
  },
}

SCSS

$custom: #217fa4;
$custom-light: #72a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#217fa4",
  "rgb": {
    "r": 33,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 196.947,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.56064,
    "c": 0.10072,
    "h": 229.7
  },
  "luminance": 0.18182
}

Semantic roles & 50–950 ramp

primary

#217FA4

secondary

#C47A5D

accent

#6F3EE9

background

#F7FAFB

surface

#EDF4F7

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217FA4

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

Preview Lab → · Contrast checker → · Palette generator →