#218599#218599

#218599 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.1% C 0.092 H 214.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#218599
RGB	rgb(33, 133, 153)
HSL	hsl(190, 65%, 36%)
HSV	hsv(190, 78%, 60%)
CMYK	cmyk(78.4%, 13.1%, 0%, 40%)
CIE-LAB	lab(51.15, -20.67, -18.70)
CIE-LCH	lch(51.15, 27.87, 222.14°)
OKLab	oklab(57.07% -0.0754 -0.0522)
OKLCH	oklch(57.07% 0.092 214.7)
XYZ	xyz(14.7620, 19.3965, 33.0967)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218599 #993521

analogous

#219971 #218599 #214999

triadic

#218599 #992185 #859921

tetradic

#218599 #712199 #993521 #499921

square

#218599 #712199 #993521 #499921

split-complementary

#218599 #992149 #997121

monochromatic

#0B2D34 #165967 #218599 #2CB1CB #59C6DB

Accessibility & contrast

On white

4.30

#218599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#218599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218599

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218599	#FFFFFF	#000000	##000000
##218599	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819A

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218599;
/* rgb */ color: rgb(33, 133, 153);
/* oklch */ color: oklch(57.1% 0.092 214.7);

Tailwind

colors: {
  custom: {
    50: '#71a8b7',
    500: '#218599',
    950: '#000000',
  },
}

SCSS

$custom: #218599;
$custom-light: #71a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#218599",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 153
  },
  "hsl": {
    "h": 190,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.57066,
    "c": 0.09173,
    "h": 214.7
  },
  "luminance": 0.19398
}

Semantic roles & 50–950 ramp

primary

#218599

secondary

#BF6856

accent

#5C40E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #218599

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

Preview Lab → · Contrast checker → · Palette generator →