#217DD4#217DD4

#217DD4 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.3% C 0.157 H 251.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#217DD4
RGB	rgb(33, 125, 212)
HSL	hsl(209, 73%, 48%)
HSV	hsv(209, 84%, 83%)
CMYK	cmyk(84.4%, 41%, 0%, 16.9%)
CIE-LAB	lab(51.54, 5.46, -51.98)
CIE-LCH	lch(51.54, 52.27, 276.00°)
OKLab	oklab(58.3% -0.049 -0.1488)
OKLCH	oklch(58.3% 0.157 251.8)
XYZ	xyz(19.8400, 19.7415, 65.0394)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DD4 #D47821

analogous

#21D4D1 #217DD4 #2124D4

triadic

#217DD4 #D4217D #7DD421

tetradic

#217DD4 #D121D4 #D47821 #24D421

square

#217DD4 #D121D4 #D47821 #24D421

split-complementary

#217DD4 #D42124 #D4D121

monochromatic

#113F6A #195E9F #217DD4 #4F9BE4 #84B9EC

Accessibility & contrast

On white

4.24

#217DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#217DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217DD4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DD4	#FFFFFF	#000000	##000000
##217DD4	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5183D7

Deuteranopia (green-blind)

#3274D2

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #217dd4;
/* rgb */ color: rgb(33, 125, 212);
/* oklch */ color: oklch(58.3% 0.157 251.8);

Tailwind

colors: {
  custom: {
    50: '#7ca2e2',
    500: '#217dd4',
    950: '#000000',
  },
}

SCSS

$custom: #217dd4;
$custom-light: #7ca2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#217dd4",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 212
  },
  "hsl": {
    "h": 209.162,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58302,
    "c": 0.1567,
    "h": 251.8
  },
  "luminance": 0.19744
}

Semantic roles & 50–950 ramp

primary

#217DD4

secondary

#D5A77C

accent

#9138F0

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0F15

muted

#7C7E83

Preview Lab

Preview with #217DD4

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

Preview Lab → · Contrast checker → · Palette generator →