#217E9D#217E9D

#217E9D is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.095 H 225.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#217E9D
RGB	rgb(33, 126, 157)
HSL	hsl(195, 65%, 37%)
HSV	hsv(195, 79%, 62%)
CMYK	cmyk(79%, 19.7%, 0%, 38.4%)
CIE-LAB	lab(49.10, -15.48, -24.18)
CIE-LCH	lch(49.10, 28.71, 237.36°)
OKLab	oklab(55.47% -0.0668 -0.0678)
OKLCH	oklch(55.47% 0.095 225.4)
XYZ	xyz(14.1713, 17.6776, 34.5570)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217E9D #9D4021

analogous

#219D7E #217E9D #21409D

triadic

#217E9D #9D217E #7E9D21

tetradic

#217E9D #7E219D #9D4021 #409D21

square

#217E9D #7E219D #9D4021 #409D21

split-complementary

#217E9D #9D2140 #9D7E21

monochromatic

#0C2D38 #16556A #217E9D #2CA7D0 #5CBCDD

Accessibility & contrast

On white

4.63

#217E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#217E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217E9D

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217E9D	#FFFFFF	#000000	##FFFFFF
##217E9D	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9F

Deuteranopia (green-blind)

#5D709D

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217e9d;
/* rgb */ color: rgb(33, 126, 157);
/* oklch */ color: oklch(55.5% 0.095 225.4);

Tailwind

colors: {
  custom: {
    50: '#71a3ba',
    500: '#217e9d',
    950: '#000000',
  },
}

SCSS

$custom: #217e9d;
$custom-light: #71a3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#217e9d",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 157
  },
  "hsl": {
    "h": 195,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55475,
    "c": 0.0952,
    "h": 225.4
  },
  "luminance": 0.17679
}

Semantic roles & 50–950 ramp

primary

#217E9D

secondary

#C17359

accent

#6A40E8

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217E9D

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

Preview Lab → · Contrast checker → · Palette generator →