#218BAF#218BAF

#218BAF is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.6% C 0.105 H 226.5°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#218BAF
RGB	rgb(33, 139, 175)
HSL	hsl(195, 68%, 41%)
HSV	hsv(195, 81%, 69%)
CMYK	cmyk(81.1%, 20.6%, 0%, 31.4%)
CIE-LAB	lab(53.90, -16.34, -27.17)
CIE-LCH	lch(53.90, 31.70, 238.98°)
OKLab	oklab(59.57% -0.0725 -0.0763)
OKLCH	oklch(59.57% 0.105 226.5)
XYZ	xyz(17.5945, 21.8815, 43.8454)
Luminance	0.2188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218BAF #AF4521

analogous

#21AF8C #218BAF #2144AF

triadic

#218BAF #AF218B #8BAF21

tetradic

#218BAF #8C21AF #AF4521 #44AF21

square

#218BAF #8C21AF #AF4521 #44AF21

split-complementary

#218BAF #AF2144 #AF8C21

monochromatic

#0E3948 #17627C #218BAF #34AFD9 #68C3E3

Accessibility & contrast

On white

3.91

#218BAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#218BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218BAF

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218BAF	#FFFFFF	#000000	##000000
##218BAF	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888B1

Deuteranopia (green-blind)

#657BAF

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218baf;
/* rgb */ color: rgb(33, 139, 175);
/* oklch */ color: oklch(59.6% 0.105 226.5);

Tailwind

colors: {
  custom: {
    50: '#75adc7',
    500: '#218baf',
    950: '#000000',
  },
}

SCSS

$custom: #218baf;
$custom-light: #75adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#218baf",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 175
  },
  "hsl": {
    "h": 195.211,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59569,
    "c": 0.10532,
    "h": 226.5
  },
  "luminance": 0.21884
}

Semantic roles & 50–950 ramp

primary

#218BAF

secondary

#C87D64

accent

#693DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #218BAF

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

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