#217DA6#217DA6

#217DA6 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.7% C 0.104 H 232.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#217DA6
RGB	rgb(33, 125, 166)
HSL	hsl(198, 67%, 39%)
HSV	hsv(198, 80%, 65%)
CMYK	cmyk(80.1%, 24.7%, 0%, 34.9%)
CIE-LAB	lab(49.18, -11.71, -29.30)
CIE-LCH	lch(49.18, 31.56, 248.21°)
OKLab	oklab(55.67% -0.0624 -0.0826)
OKLCH	oklch(55.67% 0.104 232.9)
XYZ	xyz(14.8410, 17.7419, 38.7113)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DA6 #A64A21

analogous

#21A68D #217DA6 #213BA6

triadic

#217DA6 #A6217D #7DA621

tetradic

#217DA6 #8D21A6 #A64A21 #3BA621

square

#217DA6 #8D21A6 #A64A21 #3BA621

split-complementary

#217DA6 #A6213B #A68D21

monochromatic

#0D3040 #175773 #217DA6 #2FA2D6 #62B9E0

Accessibility & contrast

On white

4.62

#217DA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#217DA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217DA6

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DA6	#FFFFFF	#000000	##FFFFFF
##217DA6	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA8

Deuteranopia (green-blind)

#576FA5

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217da6;
/* rgb */ color: rgb(33, 125, 166);
/* oklch */ color: oklch(55.7% 0.104 232.9);

Tailwind

colors: {
  custom: {
    50: '#72a2c0',
    500: '#217da6',
    950: '#000000',
  },
}

SCSS

$custom: #217da6;
$custom-light: #72a2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#217da6",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 198.496,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.10355,
    "h": 232.9
  },
  "luminance": 0.17744
}

Semantic roles & 50–950 ramp

primary

#217DA6

secondary

#C57E5E

accent

#733EEA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217DA6

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

Preview Lab → · Contrast checker → · Palette generator →