#218AA0#218AA0

#218AA0 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.095 H 215.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#218AA0
RGB	rgb(33, 138, 160)
HSL	hsl(190, 66%, 38%)
HSV	hsv(190, 79%, 63%)
CMYK	cmyk(79.4%, 13.8%, 0%, 37.3%)
CIE-LAB	lab(52.99, -20.96, -19.94)
CIE-LCH	lch(52.99, 28.93, 223.58°)
OKLab	oklab(58.64% -0.0775 -0.0557)
OKLCH	oklch(58.64% 0.095 215.7)
XYZ	xyz(16.0581, 21.0364, 36.4650)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218AA0 #A03721

analogous

#21A077 #218AA0 #214AA0

triadic

#218AA0 #A0218A #8AA021

tetradic

#218AA0 #7721A0 #A03721 #4AA021

square

#218AA0 #7721A0 #A03721 #4AA021

split-complementary

#218AA0 #A0214A #A07721

monochromatic

#0C323B #175E6D #218AA0 #2BB6D3 #5EC8DE

Accessibility & contrast

On white

4.03

#218AA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#218AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218AA0

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218AA0	#FFFFFF	#000000	##000000
##218AA0	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B85A1

Deuteranopia (green-blind)

#6A79A0

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218aa0;
/* rgb */ color: rgb(33, 138, 160);
/* oklch */ color: oklch(58.6% 0.095 215.7);

Tailwind

colors: {
  custom: {
    50: '#73acbc',
    500: '#218aa0',
    950: '#000000',
  },
}

SCSS

$custom: #218aa0;
$custom-light: #73acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#218aa0",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 160
  },
  "hsl": {
    "h": 190.394,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.58638,
    "c": 0.09546,
    "h": 215.7
  },
  "luminance": 0.21038
}

Semantic roles & 50–950 ramp

primary

#218AA0

secondary

#C26D5B

accent

#5C3FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218AA0

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

Preview Lab → · Contrast checker → · Palette generator →