#218DAC#218DAC

#218DAC is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.9% C 0.103 H 222.5°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#218DAC
RGB	rgb(33, 141, 172)
HSL	hsl(193, 68%, 40%)
HSV	hsv(193, 81%, 67%)
CMYK	cmyk(80.8%, 18%, 0%, 32.5%)
CIE-LAB	lab(54.40, -18.47, -24.69)
CIE-LCH	lch(54.40, 30.83, 233.20°)
OKLab	oklab(59.93% -0.0756 -0.0692)
OKLCH	oklch(59.93% 0.103 222.5)
XYZ	xyz(17.5953, 22.3494, 42.4082)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218DAC #AC4021

analogous

#21AC85 #218DAC #2148AC

triadic

#218DAC #AC218D #8DAC21

tetradic

#218DAC #8521AC #AC4021 #48AC21

square

#218DAC #8521AC #AC4021 #48AC21

split-complementary

#218DAC #AC2148 #AC8521

monochromatic

#0D3945 #176379 #218DAC #32B3D8 #66C6E2

Accessibility & contrast

On white

3.84

#218DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#218DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218DAC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218DAC	#FFFFFF	#000000	##000000
##218DAC	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AE

Deuteranopia (green-blind)

#697CAC

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218dac;
/* rgb */ color: rgb(33, 141, 172);
/* oklch */ color: oklch(59.9% 0.103 222.5);

Tailwind

colors: {
  custom: {
    50: '#75aec4',
    500: '#218dac',
    950: '#000000',
  },
}

SCSS

$custom: #218dac;
$custom-light: #75aec4;
$custom-dark: #000000;

JSON

{
  "hex": "#218dac",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 172
  },
  "hsl": {
    "h": 193.381,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59925,
    "c": 0.10252,
    "h": 222.5
  },
  "luminance": 0.22352
}

Semantic roles & 50–950 ramp

primary

#218DAC

secondary

#C77862

accent

#643DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218DAC

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

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