#217CA4#217CA4

#217CA4 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.102 H 232.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#217CA4
RGB	rgb(33, 124, 164)
HSL	hsl(198, 66%, 39%)
HSV	hsv(198, 80%, 64%)
CMYK	cmyk(79.9%, 24.4%, 0%, 35.7%)
CIE-LAB	lab(48.78, -11.86, -28.76)
CIE-LCH	lch(48.78, 31.11, 247.59°)
OKLab	oklab(55.32% -0.0622 -0.081)
OKLCH	oklch(55.32% 0.102 232.5)
XYZ	xyz(14.5330, 17.4172, 37.7107)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217CA4 #A44921

analogous

#21A48A #217CA4 #213AA4

triadic

#217CA4 #A4217C #7CA421

tetradic

#217CA4 #8A21A4 #A44921 #3AA421

square

#217CA4 #8A21A4 #A44921 #3AA421

split-complementary

#217CA4 #A4213A #A48A21

monochromatic

#0C2F3E #175571 #217CA4 #2DA2D5 #60B8DF

Accessibility & contrast

On white

4.68

#217CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#217CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217CA4

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217CA4	#FFFFFF	#000000	##FFFFFF
##217CA4	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687BA6

Deuteranopia (green-blind)

#576EA3

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217ca4;
/* rgb */ color: rgb(33, 124, 164);
/* oklch */ color: oklch(55.3% 0.102 232.5);

Tailwind

colors: {
  custom: {
    50: '#72a1bf',
    500: '#217ca4',
    950: '#000000',
  },
}

SCSS

$custom: #217ca4;
$custom-light: #72a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#217ca4",
  "rgb": {
    "r": 33,
    "g": 124,
    "b": 164
  },
  "hsl": {
    "h": 198.321,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55319,
    "c": 0.10216,
    "h": 232.5
  },
  "luminance": 0.17419
}

Semantic roles & 50–950 ramp

primary

#217CA4

secondary

#C47C5D

accent

#733EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217CA4

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

Preview Lab → · Contrast checker → · Palette generator →