#217BD4#217BD4

#217BD4 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.159 H 252.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#217BD4
RGB	rgb(33, 123, 212)
HSL	hsl(210, 73%, 48%)
HSV	hsv(210, 84%, 83%)
CMYK	cmyk(84.4%, 42%, 0%, 16.9%)
CIE-LAB	lab(50.97, 6.69, -52.90)
CIE-LCH	lch(50.97, 53.33, 277.21°)
OKLab	oklab(57.85% -0.0474 -0.1516)
OKLCH	oklch(57.85% 0.159 252.6)
XYZ	xyz(19.5893, 19.2402, 64.9559)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217BD4 #D47A21

analogous

#21D4D3 #217BD4 #2122D4

triadic

#217BD4 #D4217B #7BD421

tetradic

#217BD4 #D321D4 #D47A21 #22D421

square

#217BD4 #D321D4 #D47A21 #22D421

split-complementary

#217BD4 #D42122 #D4D321

monochromatic

#113E6A #195C9F #217BD4 #4F9AE4 #84B8EC

Accessibility & contrast

On white

4.33

#217BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#217BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217BD4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217BD4	#FFFFFF	#000000	##000000
##217BD4	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E82D7

Deuteranopia (green-blind)

#2D72D2

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #217bd4;
/* rgb */ color: rgb(33, 123, 212);
/* oklch */ color: oklch(57.9% 0.159 252.6);

Tailwind

colors: {
  custom: {
    50: '#7ca0e2',
    500: '#217bd4',
    950: '#000000',
  },
}

SCSS

$custom: #217bd4;
$custom-light: #7ca0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#217bd4",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 209.832,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57853,
    "c": 0.15884,
    "h": 252.6
  },
  "luminance": 0.19243
}

Semantic roles & 50–950 ramp

primary

#217BD4

secondary

#D5A87C

accent

#9338F0

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #217BD4

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

Preview Lab → · Contrast checker → · Palette generator →