#217EA8#217EA8

#217EA8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.105 H 233.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#217EA8
RGB	rgb(33, 126, 168)
HSL	hsl(199, 67%, 39%)
HSV	hsv(199, 80%, 66%)
CMYK	cmyk(80.4%, 25%, 0%, 34.1%)
CIE-LAB	lab(49.58, -11.56, -29.84)
CIE-LCH	lch(49.58, 32.00, 248.82°)
OKLab	oklab(56.02% -0.0627 -0.0842)
OKLCH	oklch(56.02% 0.105 233.3)
XYZ	xyz(15.1531, 18.0703, 39.7275)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217EA8 #A84B21

analogous

#21A88F #217EA8 #213AA8

triadic

#217EA8 #A8217E #7EA821

tetradic

#217EA8 #8F21A8 #A84B21 #3AA821

square

#217EA8 #8F21A8 #A84B21 #3AA821

split-complementary

#217EA8 #A8213A #A88F21

monochromatic

#0D3142 #175875 #217EA8 #30A3D6 #63B9E0

Accessibility & contrast

On white

4.55

#217EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#217EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217EA8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217EA8	#FFFFFF	#000000	##000000
##217EA8	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5770A7

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #217ea8;
/* rgb */ color: rgb(33, 126, 168);
/* oklch */ color: oklch(56.0% 0.105 233.3);

Tailwind

colors: {
  custom: {
    50: '#73a3c2',
    500: '#217ea8',
    950: '#000000',
  },
}

SCSS

$custom: #217ea8;
$custom-light: #73a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#217ea8",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 198.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.56016,
    "c": 0.10494,
    "h": 233.3
  },
  "luminance": 0.18072
}

Semantic roles & 50–950 ramp

primary

#217EA8

secondary

#C57F5F

accent

#733EEA

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217EA8

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

Preview Lab → · Contrast checker → · Palette generator →