#218DAA#218DAA

#218DAA is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.8% C 0.101 H 220.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#218DAA
RGB	rgb(33, 141, 170)
HSL	hsl(193, 67%, 40%)
HSV	hsv(193, 81%, 67%)
CMYK	cmyk(80.6%, 17.1%, 0%, 33.3%)
CIE-LAB	lab(54.32, -19.15, -23.66)
CIE-LCH	lch(54.32, 30.44, 231.01°)
OKLab	oklab(59.84% -0.0764 -0.0663)
OKLCH	oklch(59.84% 0.101 220.9)
XYZ	xyz(17.4047, 22.2732, 41.4043)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DAA #AA3E21

analogous

#21AA83 #218DAA #2148AA

triadic

#218DAA #AA218D #8DAA21

tetradic

#218DAA #8321AA #AA3E21 #48AA21

square

#218DAA #8321AA #AA3E21 #48AA21

split-complementary

#218DAA #AA2148 #AA8321

monochromatic

#0D3843 #176277 #218DAA #31B4D7 #64C7E1

Accessibility & contrast

On white

3.85

#218DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#218DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DAA

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DAA	#FFFFFF	#000000	##000000
##218DAA	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89AC

Deuteranopia (green-blind)

#6A7CAA

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218daa;
/* rgb */ color: rgb(33, 141, 170);
/* oklch */ color: oklch(59.8% 0.101 220.9);

Tailwind

colors: {
  custom: {
    50: '#74aec3',
    500: '#218daa',
    950: '#000000',
  },
}

SCSS

$custom: #218daa;
$custom-light: #74aec3;
$custom-dark: #000000;

JSON

{
  "hex": "#218daa",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 170
  },
  "hsl": {
    "h": 192.701,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59835,
    "c": 0.10116,
    "h": 220.9
  },
  "luminance": 0.22275
}

Semantic roles & 50–950 ramp

primary

#218DAA

secondary

#C67661

accent

#623DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218DAA

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

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