#217DBD#217DBD

#217DBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.129 H 244.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#217DBD
RGB	rgb(33, 125, 189)
HSL	hsl(205, 70%, 44%)
HSV	hsv(205, 83%, 74%)
CMYK	cmyk(82.5%, 33.9%, 0%, 25.9%)
CIE-LAB	lab(50.29, -3.23, -40.86)
CIE-LCH	lch(50.29, 40.99, 265.47°)
OKLab	oklab(56.91% -0.0549 -0.1162)
OKLCH	oklch(56.91% 0.129 244.7)
XYZ	xyz(17.1425, 18.6625, 50.8330)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217DBD #BD6121

analogous

#21BDAF #217DBD #212FBD

triadic

#217DBD #BD217D #7DBD21

tetradic

#217DBD #AF21BD #BD6121 #2FBD21

square

#217DBD #AF21BD #BD6121 #2FBD21

split-complementary

#217DBD #BD212F #BDAF21

monochromatic

#0F3855 #185B89 #217DBD #3E9CDD #72B7E6

Accessibility & contrast

On white

4.44

#217DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#217DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217DBD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217DBD	#FFFFFF	#000000	##000000
##217DBD	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FC0

Deuteranopia (green-blind)

#4971BC

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #217dbd;
/* rgb */ color: rgb(33, 125, 189);
/* oklch */ color: oklch(56.9% 0.129 244.7);

Tailwind

colors: {
  custom: {
    50: '#77a2d1',
    500: '#217dbd',
    950: '#000000',
  },
}

SCSS

$custom: #217dbd;
$custom-light: #77a2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#217dbd",
  "rgb": {
    "r": 33,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 204.615,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56911,
    "c": 0.12856,
    "h": 244.7
  },
  "luminance": 0.18665
}

Semantic roles & 50–950 ramp

primary

#217DBD

secondary

#CD946D

accent

#843BED

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0F14

muted

#7C7E82

Preview Lab

Preview with #217DBD

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

Preview Lab → · Contrast checker → · Palette generator →