#218BA1#218BA1

#218BA1 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 58.9% C 0.096 H 215.5°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#218BA1
RGB	rgb(33, 139, 161)
HSL	hsl(190, 66%, 38%)
HSV	hsv(190, 80%, 63%)
CMYK	cmyk(79.5%, 13.7%, 0%, 36.9%)
CIE-LAB	lab(53.34, -21.15, -19.98)
CIE-LCH	lch(53.34, 29.09, 223.37°)
OKLab	oklab(58.93% -0.0781 -0.0558)
OKLCH	oklch(58.93% 0.096 215.5)
XYZ	xyz(16.2901, 21.3598, 36.9756)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BA1 #A13721

analogous

#21A177 #218BA1 #214BA1

triadic

#218BA1 #A1218B #8BA121

tetradic

#218BA1 #7721A1 #A13721 #4BA121

square

#218BA1 #7721A1 #A13721 #4BA121

split-complementary

#218BA1 #A1214B #A17721

monochromatic

#0C333B #175F6E #218BA1 #2CB7D4 #5EC8DE

Accessibility & contrast

On white

3.98

#218BA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#218BA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BA1

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BA1	#FFFFFF	#000000	##000000
##218BA1	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C86A2

Deuteranopia (green-blind)

#6B7AA1

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218ba1;
/* rgb */ color: rgb(33, 139, 161);
/* oklch */ color: oklch(58.9% 0.096 215.5);

Tailwind

colors: {
  custom: {
    50: '#73adbc',
    500: '#218ba1',
    950: '#000000',
  },
}

SCSS

$custom: #218ba1;
$custom-light: #73adbc;
$custom-dark: #000000;

JSON

{
  "hex": "#218ba1",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 161
  },
  "hsl": {
    "h": 190.313,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.58934,
    "c": 0.09599,
    "h": 215.5
  },
  "luminance": 0.21362
}

Semantic roles & 50–950 ramp

primary

#218BA1

secondary

#C36D5B

accent

#5C3FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218BA1

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

Preview Lab → · Contrast checker → · Palette generator →