#217EA1#217EA1

#217EA1 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.099 H 228.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#217EA1
RGB	rgb(33, 126, 161)
HSL	hsl(196, 66%, 38%)
HSV	hsv(196, 80%, 63%)
CMYK	cmyk(79.5%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(49.27, -14.07, -26.25)
CIE-LCH	lch(49.27, 29.78, 241.81°)
OKLab	oklab(55.67% -0.0652 -0.0738)
OKLCH	oklch(55.67% 0.099 228.5)
XYZ	xyz(14.5184, 17.8165, 36.3850)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217EA1 #A14421

analogous

#21A184 #217EA1 #213EA1

triadic

#217EA1 #A1217E #7EA121

tetradic

#217EA1 #8421A1 #A14421 #3EA121

square

#217EA1 #8421A1 #A14421 #3EA121

split-complementary

#217EA1 #A1213E #A18421

monochromatic

#0C2F3B #17566E #217EA1 #2CA6D4 #5EBBDE

Accessibility & contrast

On white

4.60

#217EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#217EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217EA1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217EA1	#FFFFFF	#000000	##FFFFFF
##217EA1	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)

#6C7CA3

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217ea1;
/* rgb */ color: rgb(33, 126, 161);
/* oklch */ color: oklch(55.7% 0.099 228.5);

Tailwind

colors: {
  custom: {
    50: '#72a3bd',
    500: '#217ea1',
    950: '#000000',
  },
}

SCSS

$custom: #217ea1;
$custom-light: #72a3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#217ea1",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 196.406,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55668,
    "c": 0.0985,
    "h": 228.5
  },
  "luminance": 0.17818
}

Semantic roles & 50–950 ramp

primary

#217EA1

secondary

#C3775B

accent

#6D3FE9

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217EA1

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

Preview Lab → · Contrast checker → · Palette generator →