#218BA8#218BA8

#218BA8 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.2% C 0.100 H 221.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#218BA8
RGB	rgb(33, 139, 168)
HSL	hsl(193, 67%, 39%)
HSV	hsv(193, 80%, 66%)
CMYK	cmyk(80.4%, 17.3%, 0%, 34.1%)
CIE-LAB	lab(53.61, -18.77, -23.59)
CIE-LCH	lch(53.61, 30.15, 231.50°)
OKLab	oklab(59.25% -0.0753 -0.0661)
OKLCH	oklch(59.25% 0.1 221.3)
XYZ	xyz(16.9247, 21.6136, 40.3180)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BA8 #A83E21

analogous

#21A882 #218BA8 #2148A8

triadic

#218BA8 #A8218B #8BA821

tetradic

#218BA8 #8221A8 #A83E21 #48A821

square

#218BA8 #8221A8 #A83E21 #48A821

split-complementary

#218BA8 #A82148 #A88221

monochromatic

#0D3642 #176175 #218BA8 #30B3D6 #63C5E0

Accessibility & contrast

On white

3.94

#218BA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#218BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BA8

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BA8	#FFFFFF	#000000	##000000
##218BA8	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87AA

Deuteranopia (green-blind)

#687BA8

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218ba8;
/* rgb */ color: rgb(33, 139, 168);
/* oklch */ color: oklch(59.2% 0.100 221.3);

Tailwind

colors: {
  custom: {
    50: '#74adc2',
    500: '#218ba8',
    950: '#000000',
  },
}

SCSS

$custom: #218ba8;
$custom-light: #74adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#218ba8",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 168
  },
  "hsl": {
    "h": 192.889,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59245,
    "c": 0.10016,
    "h": 221.3
  },
  "luminance": 0.21616
}

Semantic roles & 50–950 ramp

primary

#218BA8

secondary

#C5755F

accent

#633EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218BA8

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

Preview Lab → · Contrast checker → · Palette generator →