#218FB4#218FB4

#218FB4 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.8% C 0.108 H 226.4°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#218FB4
RGB	rgb(33, 143, 180)
HSL	hsl(195, 69%, 42%)
HSV	hsv(195, 82%, 71%)
CMYK	cmyk(81.7%, 20.6%, 0%, 29.4%)
CIE-LAB	lab(55.34, -16.78, -27.80)
CIE-LCH	lch(55.34, 32.47, 238.89°)
OKLab	oklab(60.79% -0.0745 -0.0781)
OKLCH	oklch(60.79% 0.108 226.4)
XYZ	xyz(18.6845, 23.2612, 46.6763)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218FB4 #B44621

analogous

#21B490 #218FB4 #2146B4

triadic

#218FB4 #B4218F #8FB421

tetradic

#218FB4 #9021B4 #B44621 #46B421

square

#218FB4 #9021B4 #B44621 #46B421

split-complementary

#218FB4 #B42146 #B49021

monochromatic

#0E3D4D #186680 #218FB4 #38B2DA #6BC6E4

Accessibility & contrast

On white

3.71

#218FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#218FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218FB4

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218FB4	#FFFFFF	#000000	##000000
##218FB4	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB6

Deuteranopia (green-blind)

#687FB4

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #218fb4;
/* rgb */ color: rgb(33, 143, 180);
/* oklch */ color: oklch(60.8% 0.108 226.4);

Tailwind

colors: {
  custom: {
    50: '#76afca',
    500: '#218fb4',
    950: '#000000',
  },
}

SCSS

$custom: #218fb4;
$custom-light: #76afca;
$custom-dark: #000000;

JSON

{
  "hex": "#218fb4",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 180
  },
  "hsl": {
    "h": 195.102,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60792,
    "c": 0.10794,
    "h": 226.4
  },
  "luminance": 0.23264
}

Semantic roles & 50–950 ramp

primary

#218FB4

secondary

#CA8067

accent

#683CEC

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #218FB4

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

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