#218BA5#218BA5

#218BA5 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.1% C 0.098 H 218.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#218BA5
RGB	rgb(33, 139, 165)
HSL	hsl(192, 67%, 39%)
HSV	hsv(192, 80%, 65%)
CMYK	cmyk(80%, 15.8%, 0%, 35.3%)
CIE-LAB	lab(53.50, -19.79, -22.05)
CIE-LCH	lch(53.50, 29.63, 228.09°)
OKLab	oklab(59.11% -0.0765 -0.0617)
OKLCH	oklch(59.11% 0.098 218.9)
XYZ	xyz(16.6485, 21.5031, 38.8631)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BA5 #A53B21

analogous

#21A57D #218BA5 #2149A5

triadic

#218BA5 #A5218B #8BA521

tetradic

#218BA5 #7D21A5 #A53B21 #49A521

square

#218BA5 #7D21A5 #A53B21 #49A521

split-complementary

#218BA5 #A52149 #A57D21

monochromatic

#0D353F #176072 #218BA5 #2EB4D5 #61C7DF

Accessibility & contrast

On white

3.96

#218BA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#218BA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BA5

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BA5	#FFFFFF	#000000	##000000
##218BA5	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A6

Deuteranopia (green-blind)

#697AA5

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218ba5;
/* rgb */ color: rgb(33, 139, 165);
/* oklch */ color: oklch(59.1% 0.098 218.9);

Tailwind

colors: {
  custom: {
    50: '#73adbf',
    500: '#218ba5',
    950: '#000000',
  },
}

SCSS

$custom: #218ba5;
$custom-light: #73adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#218ba5",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 165
  },
  "hsl": {
    "h": 191.818,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.5911,
    "c": 0.09825,
    "h": 218.9
  },
  "luminance": 0.21505
}

Semantic roles & 50–950 ramp

primary

#218BA5

secondary

#C4725E

accent

#603EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #218BA5

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

Preview Lab → · Contrast checker → · Palette generator →