#218BAA#218BAA

#218BAA is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.102 H 222.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#218BAA
RGB	rgb(33, 139, 170)
HSL	hsl(194, 67%, 40%)
HSV	hsv(194, 81%, 67%)
CMYK	cmyk(80.6%, 18.2%, 0%, 33.3%)
CIE-LAB	lab(53.70, -18.08, -24.62)
CIE-LCH	lch(53.70, 30.54, 233.71°)
OKLab	oklab(59.34% -0.0745 -0.069)
OKLCH	oklch(59.34% 0.102 222.8)
XYZ	xyz(17.1125, 21.6887, 41.3069)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BAA #AA4021

analogous

#21AA85 #218BAA #2146AA

triadic

#218BAA #AA218B #8BAA21

tetradic

#218BAA #8521AA #AA4021 #46AA21

square

#218BAA #8521AA #AA4021 #46AA21

split-complementary

#218BAA #AA2146 #AA8521

monochromatic

#0D3743 #176177 #218BAA #31B2D7 #64C5E1

Accessibility & contrast

On white

3.93

#218BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#218BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BAA

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BAA	#FFFFFF	#000000	##000000
##218BAA	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7988AC

Deuteranopia (green-blind)

#677BAA

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218baa;
/* rgb */ color: rgb(33, 139, 170);
/* oklch */ color: oklch(59.3% 0.102 222.8);

Tailwind

colors: {
  custom: {
    50: '#74adc3',
    500: '#218baa',
    950: '#000000',
  },
}

SCSS

$custom: #218baa;
$custom-light: #74adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#218baa",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 170
  },
  "hsl": {
    "h": 193.577,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59336,
    "c": 0.10154,
    "h": 222.8
  },
  "luminance": 0.21691
}

Semantic roles & 50–950 ramp

primary

#218BAA

secondary

#C67861

accent

#653DEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218BAA

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

Preview Lab → · Contrast checker → · Palette generator →