#217DA8#217DA8

#217DA8 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.105 H 234.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#217DA8
RGB	rgb(33, 125, 168)
HSL	hsl(199, 67%, 39%)
HSV	hsv(199, 80%, 66%)
CMYK	cmyk(80.4%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.27, -10.99, -30.32)
CIE-LCH	lch(49.27, 32.25, 250.08°)
OKLab	oklab(55.77% -0.0617 -0.0856)
OKLCH	oklch(55.77% 0.106 234.2)
XYZ	xyz(15.0258, 17.8159, 39.6851)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DA8 #A84C21

analogous

#21A890 #217DA8 #213AA8

triadic

#217DA8 #A8217D #7DA821

tetradic

#217DA8 #9021A8 #A84C21 #3AA821

square

#217DA8 #9021A8 #A84C21 #3AA821

split-complementary

#217DA8 #A8213A #A89021

monochromatic

#0D3142 #175775 #217DA8 #30A1D6 #63B8E0

Accessibility & contrast

On white

4.60

#217DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#217DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217DA8

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DA8	#FFFFFF	#000000	##FFFFFF
##217DA8	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CAA

Deuteranopia (green-blind)

#5670A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217da8;
/* rgb */ color: rgb(33, 125, 168);
/* oklch */ color: oklch(55.8% 0.105 234.2);

Tailwind

colors: {
  custom: {
    50: '#73a2c2',
    500: '#217da8',
    950: '#000000',
  },
}

SCSS

$custom: #217da8;
$custom-light: #73a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#217da8",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 199.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55769,
    "c": 0.1055,
    "h": 234.2
  },
  "luminance": 0.17818
}

Semantic roles & 50–950 ramp

primary

#217DA8

secondary

#C5805F

accent

#753EEA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217DA8

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

Preview Lab → · Contrast checker → · Palette generator →