#287599#287599

#287599 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.092 H 232.8°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#287599
RGB	rgb(40, 117, 153)
HSL	hsl(199, 59%, 38%)
HSV	hsv(199, 74%, 60%)
CMYK	cmyk(73.9%, 23.5%, 0%, 40%)
CIE-LAB	lab(46.27, -10.91, -26.20)
CIE-LCH	lch(46.27, 28.38, 247.38°)
OKLab	oklab(53.21% -0.0559 -0.0737)
OKLCH	oklch(53.21% 0.092 232.8)
XYZ	xyz(12.9838, 15.4721, 32.4329)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287599 #994C28

analogous

#289984 #287599 #283D99

triadic

#287599 #992875 #759928

tetradic

#287599 #842899 #994C28 #3D9928

square

#287599 #842899 #994C28 #3D9928

split-complementary

#287599 #99283D #998428

monochromatic

#0F2B38 #1B5068 #287599 #359ACA #65B2D7

Accessibility & contrast

On white

5.13

#287599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#287599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287599

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287599	#FFFFFF	#000000	##FFFFFF
##287599	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749B

Deuteranopia (green-blind)

#546998

Tritanopia (blue-blind)

#007F81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #287599;
/* rgb */ color: rgb(40, 117, 153);
/* oklch */ color: oklch(53.2% 0.092 232.8);

Tailwind

colors: {
  custom: {
    50: '#729cb7',
    500: '#287599',
    950: '#000000',
  },
}

SCSS

$custom: #287599;
$custom-light: #729cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#287599",
  "rgb": {
    "r": 40,
    "g": 117,
    "b": 153
  },
  "hsl": {
    "h": 199.115,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.53205,
    "c": 0.09249,
    "h": 232.8
  },
  "luminance": 0.15474
}

Semantic roles & 50–950 ramp

primary

#287599

secondary

#BD7E60

accent

#7846E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #287599

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

Preview Lab → · Contrast checker → · Palette generator →