#287D99#287D99

#287D99 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.090 H 224.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#287D99
RGB	rgb(40, 125, 153)
HSL	hsl(195, 59%, 38%)
HSV	hsv(195, 74%, 60%)
CMYK	cmyk(73.9%, 18.3%, 0%, 40%)
CIE-LAB	lab(48.78, -15.45, -22.32)
CIE-LCH	lch(48.78, 27.14, 235.32°)
OKLab	oklab(55.21% -0.0642 -0.0625)
OKLCH	oklch(55.21% 0.09 224.2)
XYZ	xyz(13.9561, 17.4166, 32.7570)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287D99 #994428

analogous

#28997C #287D99 #284599

triadic

#287D99 #99287D #7D9928

tetradic

#287D99 #7C2899 #994428 #459928

square

#287D99 #7C2899 #994428 #459928

split-complementary

#287D99 #992845 #997C28

monochromatic

#0F2E38 #1B5568 #287D99 #35A5CA #65BAD7

Accessibility & contrast

On white

4.68

#287D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#287D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287D99

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287D99	#FFFFFF	#000000	##FFFFFF
##287D99	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287d99;
/* rgb */ color: rgb(40, 125, 153);
/* oklch */ color: oklch(55.2% 0.090 224.2);

Tailwind

colors: {
  custom: {
    50: '#72a2b7',
    500: '#287d99',
    950: '#000000',
  },
}

SCSS

$custom: #287d99;
$custom-light: #72a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#287d99",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 194.867,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.55208,
    "c": 0.08958,
    "h": 224.2
  },
  "luminance": 0.17418
}

Semantic roles & 50–950 ramp

primary

#287D99

secondary

#BD7760

accent

#6D46E2

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #287D99

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

Preview Lab → · Contrast checker → · Palette generator →