#217AA4#217AA4

#217AA4 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.103 H 234.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#217AA4
RGB	rgb(33, 122, 164)
HSL	hsl(199, 66%, 39%)
HSV	hsv(199, 80%, 64%)
CMYK	cmyk(79.9%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(48.16, -10.72, -29.73)
CIE-LCH	lch(48.16, 31.60, 250.18°)
OKLab	oklab(54.82% -0.0603 -0.0839)
OKLCH	oklch(54.82% 0.103 234.3)
XYZ	xyz(14.2849, 16.9210, 37.6280)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217AA4 #A44B21

analogous

#21A48C #217AA4 #2138A4

triadic

#217AA4 #A4217A #7AA421

tetradic

#217AA4 #8C21A4 #A44B21 #38A421

square

#217AA4 #8C21A4 #A44B21 #38A421

split-complementary

#217AA4 #A42138 #A48C21

monochromatic

#0C2E3E #175471 #217AA4 #2D9FD5 #60B6DF

Accessibility & contrast

On white

4.79

#217AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#217AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217AA4

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217AA4	#FFFFFF	#000000	##FFFFFF
##217AA4	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A6

Deuteranopia (green-blind)

#546DA3

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #217aa4;
/* rgb */ color: rgb(33, 122, 164);
/* oklch */ color: oklch(54.8% 0.103 234.3);

Tailwind

colors: {
  custom: {
    50: '#72a0bf',
    500: '#217aa4',
    950: '#000000',
  },
}

SCSS

$custom: #217aa4;
$custom-light: #72a0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#217aa4",
  "rgb": {
    "r": 33,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 199.237,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54823,
    "c": 0.10327,
    "h": 234.3
  },
  "luminance": 0.16923
}

Semantic roles & 50–950 ramp

primary

#217AA4

secondary

#C47E5D

accent

#753EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #217AA4

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

Preview Lab → · Contrast checker → · Palette generator →