#217C9B#217C9B

#217C9B is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.094 H 225.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#217C9B
RGB	rgb(33, 124, 155)
HSL	hsl(195, 65%, 37%)
HSV	hsv(195, 79%, 61%)
CMYK	cmyk(78.7%, 20%, 0%, 39.2%)
CIE-LAB	lab(48.39, -15.07, -24.11)
CIE-LCH	lch(48.39, 28.43, 237.98°)
OKLab	oklab(54.88% -0.0656 -0.0676)
OKLCH	oklch(54.88% 0.094 225.9)
XYZ	xyz(13.7488, 17.1035, 33.5807)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217C9B #9B4021

analogous

#219B7D #217C9B #213F9B

triadic

#217C9B #9B217C #7C9B21

tetradic

#217C9B #7D219B #9B4021 #3F9B21

square

#217C9B #7D219B #9B4021 #3F9B21

split-complementary

#217C9B #9B213F #9B7D21

monochromatic

#0C2B36 #165469 #217C9B #2CA4CD #5ABBDC

Accessibility & contrast

On white

4.75

#217C9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#217C9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217C9B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217C9B	#FFFFFF	#000000	##FFFFFF
##217C9B	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799D

Deuteranopia (green-blind)

#5B6E9B

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #217c9b;
/* rgb */ color: rgb(33, 124, 155);
/* oklch */ color: oklch(54.9% 0.094 225.9);

Tailwind

colors: {
  custom: {
    50: '#70a2b8',
    500: '#217c9b',
    950: '#000000',
  },
}

SCSS

$custom: #217c9b;
$custom-light: #70a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#217c9b",
  "rgb": {
    "r": 33,
    "g": 124,
    "b": 155
  },
  "hsl": {
    "h": 195.246,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54877,
    "c": 0.09422,
    "h": 225.9
  },
  "luminance": 0.17105
}

Semantic roles & 50–950 ramp

primary

#217C9B

secondary

#C07258

accent

#6B40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #217C9B

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

Preview Lab → · Contrast checker → · Palette generator →