#217DA1#217DA1

#217DA1 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.099 H 229.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#217DA1
RGB	rgb(33, 125, 161)
HSL	hsl(197, 66%, 38%)
HSV	hsv(197, 80%, 63%)
CMYK	cmyk(79.5%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(48.96, -13.51, -26.73)
CIE-LCH	lch(48.96, 29.95, 243.19°)
OKLab	oklab(55.42% -0.0643 -0.0752)
OKLCH	oklch(55.42% 0.099 229.5)
XYZ	xyz(14.3912, 17.5620, 36.3426)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DA1 #A14521

analogous

#21A185 #217DA1 #213DA1

triadic

#217DA1 #A1217D #7DA121

tetradic

#217DA1 #8521A1 #A14521 #3DA121

square

#217DA1 #8521A1 #A14521 #3DA121

split-complementary

#217DA1 #A1213D #A18521

monochromatic

#0C2E3B #17566E #217DA1 #2CA4D4 #5EBADE

Accessibility & contrast

On white

4.65

#217DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#217DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217DA1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DA1	#FFFFFF	#000000	##FFFFFF
##217DA1	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA3

Deuteranopia (green-blind)

#596FA0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217da1;
/* rgb */ color: rgb(33, 125, 161);
/* oklch */ color: oklch(55.4% 0.099 229.5);

Tailwind

colors: {
  custom: {
    50: '#72a2bd',
    500: '#217da1',
    950: '#000000',
  },
}

SCSS

$custom: #217da1;
$custom-light: #72a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#217da1",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 196.875,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55418,
    "c": 0.09891,
    "h": 229.5
  },
  "luminance": 0.17564
}

Semantic roles & 50–950 ramp

primary

#217DA1

secondary

#C3785B

accent

#6F3FE9

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217DA1

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

Preview Lab → · Contrast checker → · Palette generator →