#287B99#287B99

#287B99 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.090 H 226.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#287B99
RGB	rgb(40, 123, 153)
HSL	hsl(196, 59%, 38%)
HSV	hsv(196, 74%, 60%)
CMYK	cmyk(73.9%, 19.6%, 0%, 40%)
CIE-LAB	lab(48.15, -14.33, -23.29)
CIE-LCH	lch(48.15, 27.34, 238.40°)
OKLab	oklab(54.71% -0.0621 -0.0653)
OKLCH	oklch(54.71% 0.09 226.4)
XYZ	xyz(13.7055, 16.9154, 32.6735)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287B99 #994628

analogous

#28997E #287B99 #284399

triadic

#287B99 #99287B #7B9928

tetradic

#287B99 #7E2899 #994628 #439928

square

#287B99 #7E2899 #994628 #439928

split-complementary

#287B99 #992843 #997E28

monochromatic

#0F2D38 #1B5468 #287B99 #35A2CA #65B8D7

Accessibility & contrast

On white

4.79

#287B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#287B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287B99

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287B99	#FFFFFF	#000000	##FFFFFF
##287B99	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799B

Deuteranopia (green-blind)

#5B6D99

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287b99;
/* rgb */ color: rgb(40, 123, 153);
/* oklch */ color: oklch(54.7% 0.090 226.4);

Tailwind

colors: {
  custom: {
    50: '#72a1b7',
    500: '#287b99',
    950: '#000000',
  },
}

SCSS

$custom: #287b99;
$custom-light: #72a1b7;
$custom-dark: #000000;

JSON

{
  "hex": "#287b99",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 153
  },
  "hsl": {
    "h": 195.929,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54705,
    "c": 0.0901,
    "h": 226.4
  },
  "luminance": 0.16917
}

Semantic roles & 50–950 ramp

primary

#287B99

secondary

#BD7960

accent

#6F46E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #287B99

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

Preview Lab → · Contrast checker → · Palette generator →