#288499#288499

#288499 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.0% C 0.089 H 216.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#288499
RGB	rgb(40, 132, 153)
HSL	hsl(191, 59%, 38%)
HSV	hsv(191, 74%, 60%)
CMYK	cmyk(73.9%, 13.7%, 0%, 40%)
CIE-LAB	lab(50.98, -19.27, -18.94)
CIE-LCH	lch(50.98, 27.02, 224.51°)
OKLab	oklab(56.97% -0.0714 -0.0528)
OKLCH	oklch(56.97% 0.089 216.5)
XYZ	xyz(14.8737, 19.2518, 33.0629)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288499 #993D28

analogous

#289975 #288499 #284C99

triadic

#288499 #992884 #849928

tetradic

#288499 #752899 #993D28 #4C9928

square

#288499 #752899 #993D28 #4C9928

split-complementary

#288499 #99284C #997528

monochromatic

#0F3038 #1B5A68 #288499 #35AECA #65C1D7

Accessibility & contrast

On white

4.33

#288499 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#288499 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288499

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288499	#FFFFFF	#000000	##000000
##288499	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76809A

Deuteranopia (green-blind)

#667499

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288499;
/* rgb */ color: rgb(40, 132, 153);
/* oklch */ color: oklch(57.0% 0.089 216.5);

Tailwind

colors: {
  custom: {
    50: '#73a8b7',
    500: '#288499',
    950: '#000000',
  },
}

SCSS

$custom: #288499;
$custom-light: #73a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#288499",
  "rgb": {
    "r": 40,
    "g": 132,
    "b": 153
  },
  "hsl": {
    "h": 191.15,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.56974,
    "c": 0.08887,
    "h": 216.5
  },
  "luminance": 0.19254
}

Semantic roles & 50–950 ramp

primary

#288499

secondary

#BD7160

accent

#6346E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #288499

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

Preview Lab → · Contrast checker → · Palette generator →