#217CA6#217CA6

#217CA6 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.104 H 233.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#217CA6
RGB	rgb(33, 124, 166)
HSL	hsl(199, 67%, 39%)
HSV	hsv(199, 80%, 65%)
CMYK	cmyk(80.1%, 25.3%, 0%, 34.9%)
CIE-LAB	lab(48.87, -11.14, -29.79)
CIE-LCH	lch(48.87, 31.80, 249.49°)
OKLab	oklab(55.42% -0.0615 -0.084)
OKLCH	oklch(55.42% 0.104 233.8)
XYZ	xyz(14.7150, 17.4900, 38.6694)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217CA6 #A64B21

analogous

#21A68E #217CA6 #213AA6

triadic

#217CA6 #A6217C #7CA621

tetradic

#217CA6 #8E21A6 #A64B21 #3AA621

square

#217CA6 #8E21A6 #A64B21 #3AA621

split-complementary

#217CA6 #A6213A #A68E21

monochromatic

#0D3040 #175673 #217CA6 #2FA1D6 #62B8E0

Accessibility & contrast

On white

4.67

#217CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#217CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217CA6

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217CA6	#FFFFFF	#000000	##FFFFFF
##217CA6	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA8

Deuteranopia (green-blind)

#566FA5

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217ca6;
/* rgb */ color: rgb(33, 124, 166);
/* oklch */ color: oklch(55.4% 0.104 233.8);

Tailwind

colors: {
  custom: {
    50: '#72a1c0',
    500: '#217ca6',
    950: '#000000',
  },
}

SCSS

$custom: #217ca6;
$custom-light: #72a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#217ca6",
  "rgb": {
    "r": 33,
    "g": 124,
    "b": 166
  },
  "hsl": {
    "h": 198.947,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.5542,
    "c": 0.1041,
    "h": 233.8
  },
  "luminance": 0.17492
}

Semantic roles & 50–950 ramp

primary

#217CA6

secondary

#C57F5E

accent

#743EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #217CA6

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

Preview Lab → · Contrast checker → · Palette generator →