#217BBD#217BBD

#217BBD is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.130 H 245.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#217BBD
RGB	rgb(33, 123, 189)
HSL	hsl(205, 70%, 44%)
HSV	hsv(205, 83%, 74%)
CMYK	cmyk(82.5%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(49.69, -2.04, -41.81)
CIE-LCH	lch(49.69, 41.86, 267.21°)
OKLab	oklab(56.44% -0.0532 -0.119)
OKLCH	oklch(56.44% 0.13 245.9)
XYZ	xyz(16.8919, 18.1613, 50.7494)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217BBD #BD6321

analogous

#21BDB1 #217BBD #212DBD

triadic

#217BBD #BD217B #7BBD21

tetradic

#217BBD #B121BD #BD6321 #2DBD21

square

#217BBD #B121BD #BD6321 #2DBD21

split-complementary

#217BBD #BD212D #BDB121

monochromatic

#0F3755 #185989 #217BBD #3E9ADD #72B5E6

Accessibility & contrast

On white

4.53

#217BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#217BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217BBD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217BBD	#FFFFFF	#000000	##000000
##217BBD	1.00	4.53	4.63	4.63
#FFFFFF	4.53	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)

#5C7EC0

Deuteranopia (green-blind)

#4570BC

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #217bbd;
/* rgb */ color: rgb(33, 123, 189);
/* oklch */ color: oklch(56.4% 0.130 245.9);

Tailwind

colors: {
  custom: {
    50: '#77a0d1',
    500: '#217bbd',
    950: '#000000',
  },
}

SCSS

$custom: #217bbd;
$custom-light: #77a0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#217bbd",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 205.385,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56438,
    "c": 0.13038,
    "h": 245.9
  },
  "luminance": 0.18163
}

Semantic roles & 50–950 ramp

primary

#217BBD

secondary

#CD956D

accent

#863BED

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #217BBD

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

Preview Lab → · Contrast checker → · Palette generator →