#218BA6#218BA6

#218BA6 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.099 H 219.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#218BA6
RGB	rgb(33, 139, 166)
HSL	hsl(192, 67%, 39%)
HSV	hsv(192, 80%, 65%)
CMYK	cmyk(80.1%, 16.3%, 0%, 34.9%)
CIE-LAB	lab(53.54, -19.45, -22.56)
CIE-LCH	lch(53.54, 29.79, 229.24°)
OKLab	oklab(59.16% -0.0761 -0.0631)
OKLCH	oklch(59.16% 0.099 219.7)
XYZ	xyz(16.7398, 21.5397, 39.3443)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BA6 #A63C21

analogous

#21A67F #218BA6 #2149A6

triadic

#218BA6 #A6218B #8BA621

tetradic

#218BA6 #7F21A6 #A63C21 #49A621

square

#218BA6 #7F21A6 #A63C21 #49A621

split-complementary

#218BA6 #A62149 #A67F21

monochromatic

#0D3640 #176073 #218BA6 #2FB4D6 #62C6E0

Accessibility & contrast

On white

3.96

#218BA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#218BA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BA6

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BA6	#FFFFFF	#000000	##000000
##218BA6	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87A7

Deuteranopia (green-blind)

#697AA6

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218ba6;
/* rgb */ color: rgb(33, 139, 166);
/* oklch */ color: oklch(59.2% 0.099 219.7);

Tailwind

colors: {
  custom: {
    50: '#73adc0',
    500: '#218ba6',
    950: '#000000',
  },
}

SCSS

$custom: #218ba6;
$custom-light: #73adc0;
$custom-dark: #000000;

JSON

{
  "hex": "#218ba6",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 166
  },
  "hsl": {
    "h": 192.18,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59155,
    "c": 0.09887,
    "h": 219.7
  },
  "luminance": 0.21542
}

Semantic roles & 50–950 ramp

primary

#218BA6

secondary

#C5735E

accent

#613EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218BA6

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

Preview Lab → · Contrast checker → · Palette generator →