#218AA7#218AA7

#218AA7 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.0% C 0.100 H 221.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#218AA7
RGB	rgb(33, 138, 167)
HSL	hsl(193, 67%, 39%)
HSV	hsv(193, 80%, 65%)
CMYK	cmyk(80.2%, 17.4%, 0%, 34.5%)
CIE-LAB	lab(53.26, -18.57, -23.56)
CIE-LCH	lch(53.26, 30.00, 231.75°)
OKLab	oklab(58.95% -0.0747 -0.066)
OKLCH	oklch(58.95% 0.1 221.5)
XYZ	xyz(16.6878, 21.2882, 39.7812)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218AA7 #A73E21

analogous

#21A781 #218AA7 #2147A7

triadic

#218AA7 #A7218A #8AA721

tetradic

#218AA7 #8121A7 #A73E21 #47A721

square

#218AA7 #8121A7 #A73E21 #47A721

split-complementary

#218AA7 #A72147 #A78121

monochromatic

#0D3641 #176074 #218AA7 #2FB2D6 #62C5E0

Accessibility & contrast

On white

3.99

#218AA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#218AA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218AA7

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218AA7	#FFFFFF	#000000	##000000
##218AA7	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7986A9

Deuteranopia (green-blind)

#677AA7

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218aa7;
/* rgb */ color: rgb(33, 138, 167);
/* oklch */ color: oklch(59.0% 0.100 221.5);

Tailwind

colors: {
  custom: {
    50: '#74acc1',
    500: '#218aa7',
    950: '#000000',
  },
}

SCSS

$custom: #218aa7;
$custom-light: #74acc1;
$custom-dark: #000000;

JSON

{
  "hex": "#218aa7",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 167
  },
  "hsl": {
    "h": 192.985,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5895,
    "c": 0.09967,
    "h": 221.5
  },
  "luminance": 0.2129
}

Semantic roles & 50–950 ramp

primary

#218AA7

secondary

#C5755F

accent

#633EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218AA7

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

Preview Lab → · Contrast checker → · Palette generator →