#218DAD#218DAD

#218DAD is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.103 H 223.2°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#218DAD
RGB	rgb(33, 141, 173)
HSL	hsl(194, 68%, 40%)
HSV	hsv(194, 81%, 68%)
CMYK	cmyk(80.9%, 18.5%, 0%, 32.2%)
CIE-LAB	lab(54.44, -18.12, -25.20)
CIE-LCH	lch(54.44, 31.04, 234.28°)
OKLab	oklab(59.97% -0.0752 -0.0707)
OKLCH	oklch(59.97% 0.103 223.2)
XYZ	xyz(17.6917, 22.3880, 42.9159)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DAD #AD4121

analogous

#21AD87 #218DAD #2147AD

triadic

#218DAD #AD218D #8DAD21

tetradic

#218DAD #8721AD #AD4121 #47AD21

square

#218DAD #8721AD #AD4121 #47AD21

split-complementary

#218DAD #AD2147 #AD8721

monochromatic

#0D3946 #17637A #218DAD #33B2D8 #66C6E2

Accessibility & contrast

On white

3.83

#218DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#218DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DAD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DAD	#FFFFFF	#000000	##000000
##218DAD	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AAF

Deuteranopia (green-blind)

#687CAD

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218dad;
/* rgb */ color: rgb(33, 141, 173);
/* oklch */ color: oklch(60.0% 0.103 223.2);

Tailwind

colors: {
  custom: {
    50: '#75aec5',
    500: '#218dad',
    950: '#000000',
  },
}

SCSS

$custom: #218dad;
$custom-light: #75aec5;
$custom-dark: #000000;

JSON

{
  "hex": "#218dad",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 173
  },
  "hsl": {
    "h": 193.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59971,
    "c": 0.10322,
    "h": 223.2
  },
  "luminance": 0.2239
}

Semantic roles & 50–950 ramp

primary

#218DAD

secondary

#C77962

accent

#653DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #218DAD

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

Preview Lab → · Contrast checker → · Palette generator →