#217BA4#217BA4

#217BA4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.103 H 233.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#217BA4
RGB	rgb(33, 123, 164)
HSL	hsl(199, 66%, 39%)
HSV	hsv(199, 80%, 64%)
CMYK	cmyk(79.9%, 25%, 0%, 35.7%)
CIE-LAB	lab(48.47, -11.29, -29.25)
CIE-LCH	lch(48.47, 31.35, 248.89°)
OKLab	oklab(55.07% -0.0612 -0.0825)
OKLCH	oklch(55.07% 0.103 233.4)
XYZ	xyz(14.4083, 17.1678, 37.6691)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217BA4 #A44A21

analogous

#21A48B #217BA4 #2139A4

triadic

#217BA4 #A4217B #7BA421

tetradic

#217BA4 #8B21A4 #A44A21 #39A421

square

#217BA4 #8B21A4 #A44A21 #39A421

split-complementary

#217BA4 #A42139 #A48B21

monochromatic

#0C2F3E #175571 #217BA4 #2DA0D5 #60B7DF

Accessibility & contrast

On white

4.74

#217BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#217BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217BA4

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217BA4	#FFFFFF	#000000	##FFFFFF
##217BA4	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677AA6

Deuteranopia (green-blind)

#556EA3

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #217ba4;
/* rgb */ color: rgb(33, 123, 164);
/* oklch */ color: oklch(55.1% 0.103 233.4);

Tailwind

colors: {
  custom: {
    50: '#72a1bf',
    500: '#217ba4',
    950: '#000000',
  },
}

SCSS

$custom: #217ba4;
$custom-light: #72a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#217ba4",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 164
  },
  "hsl": {
    "h": 198.779,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55071,
    "c": 0.1027,
    "h": 233.4
  },
  "luminance": 0.1717
}

Semantic roles & 50–950 ramp

primary

#217BA4

secondary

#C47D5D

accent

#743EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #217BA4

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

Preview Lab → · Contrast checker → · Palette generator →