#288299#288299

#288299 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.5% C 0.089 H 218.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#288299
RGB	rgb(40, 130, 153)
HSL	hsl(192, 59%, 38%)
HSV	hsv(192, 74%, 60%)
CMYK	cmyk(73.9%, 15%, 0%, 40%)
CIE-LAB	lab(50.35, -18.19, -19.91)
CIE-LCH	lch(50.35, 26.97, 227.58°)
OKLab	oklab(56.47% -0.0694 -0.0556)
OKLCH	oklch(56.47% 0.089 218.7)
XYZ	xyz(14.6051, 18.7146, 32.9734)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288299 #993F28

analogous

#289977 #288299 #284A99

triadic

#288299 #992882 #829928

tetradic

#288299 #772899 #993F28 #4A9928

square

#288299 #772899 #993F28 #4A9928

split-complementary

#288299 #99284A #997728

monochromatic

#0F3038 #1B5968 #288299 #35ABCA #65BFD7

Accessibility & contrast

On white

4.43

#288299 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#288299 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288299

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288299	#FFFFFF	#000000	##000000
##288299	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737E9A

Deuteranopia (green-blind)

#647399

Tritanopia (blue-blind)

#008A89

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #288299;
/* rgb */ color: rgb(40, 130, 153);
/* oklch */ color: oklch(56.5% 0.089 218.7);

Tailwind

colors: {
  custom: {
    50: '#73a6b7',
    500: '#288299',
    950: '#000000',
  },
}

SCSS

$custom: #288299;
$custom-light: #73a6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#288299",
  "rgb": {
    "r": 40,
    "g": 130,
    "b": 153
  },
  "hsl": {
    "h": 192.212,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.0889,
    "h": 218.7
  },
  "luminance": 0.18716
}

Semantic roles & 50–950 ramp

primary

#288299

secondary

#BD7360

accent

#6646E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #288299

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

Preview Lab → · Contrast checker → · Palette generator →