#217DA9#217DA9

#217DA9 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.106 H 234.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#217DA9
RGB	rgb(33, 125, 169)
HSL	hsl(199, 67%, 40%)
HSV	hsv(199, 80%, 66%)
CMYK	cmyk(80.5%, 26%, 0%, 33.7%)
CIE-LAB	lab(49.32, -10.63, -30.83)
CIE-LCH	lch(49.32, 32.61, 250.99°)
OKLab	oklab(55.82% -0.0614 -0.087)
OKLCH	oklch(55.82% 0.107 234.8)
XYZ	xyz(15.1194, 17.8533, 40.1776)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DA9 #A94D21

analogous

#21A991 #217DA9 #2139A9

triadic

#217DA9 #A9217D #7DA921

tetradic

#217DA9 #9121A9 #A94D21 #39A921

square

#217DA9 #9121A9 #A94D21 #39A921

split-complementary

#217DA9 #A92139 #A99121

monochromatic

#0D3143 #175776 #217DA9 #31A1D7 #64B8E1

Accessibility & contrast

On white

4.59

#217DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#217DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217DA9

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DA9	#FFFFFF	#000000	##FFFFFF
##217DA9	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677CAB

Deuteranopia (green-blind)

#5570A8

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217da9;
/* rgb */ color: rgb(33, 125, 169);
/* oklch */ color: oklch(55.8% 0.106 234.8);

Tailwind

colors: {
  custom: {
    50: '#73a2c2',
    500: '#217da9',
    950: '#000000',
  },
}

SCSS

$custom: #217da9;
$custom-light: #73a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#217da9",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 169
  },
  "hsl": {
    "h": 199.412,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55821,
    "c": 0.1065,
    "h": 234.8
  },
  "luminance": 0.17855
}

Semantic roles & 50–950 ramp

primary

#217DA9

secondary

#C68160

accent

#753EEA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217DA9

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

Preview Lab → · Contrast checker → · Palette generator →