#286F9B#286F9B

#286F9B is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.8% C 0.098 H 240.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#286F9B
RGBrgb(40, 111, 155)
HSLhsl(203, 59%, 38%)
HSVhsv(203, 74%, 61%)
CMYKcmyk(74.2%, 28.4%, 0%, 39.2%)
CIE-LABlab(44.50, -6.67, -30.15)
CIE-LCHlch(44.50, 30.88, 257.52°)
OKLaboklab(51.82% -0.0491 -0.0852)
OKLCHoklch(51.82% 0.098 240)
XYZxyz(12.4736, 14.1851, 33.0846)
Luminance0.1419 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#286F9B #9B5428
analogous
#289B8D #286F9B #28359B
triadic
#286F9B #9B286F #6F9B28
tetradic
#286F9B #8D289B #9B5428 #359B28
square
#286F9B #8D289B #9B5428 #359B28
split-complementary
#286F9B #9B2835 #9B8D28
monochromatic
#0F293A #1B4C6A #286F9B #3592CB #66ACD7

Accessibility & contrast

On white

5.47
#286F9B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.84
#286F9B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #286F9B
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##286F9B#FFFFFF#000000##FFFFFF
##286F9B1.005.473.845.47
#FFFFFF5.471.0021.001.00
#0000003.8421.001.0021.00
##FFFFFF5.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A6F9D
Deuteranopia (green-blind)
#4B649A
Tritanopia (blue-blind)
#007A7E
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #286f9b;
/* rgb */ color: rgb(40, 111, 155);
/* oklch */ color: oklch(51.8% 0.098 240.0);
Tailwind
colors: {
  custom: {
    50: '#7298b8',
    500: '#286f9b',
    950: '#000000',
  },
}
SCSS
$custom: #286f9b;
$custom-light: #7298b8;
$custom-dark: #000000;
JSON
{
  "hex": "#286f9b",
  "rgb": {
    "r": 40,
    "g": 111,
    "b": 155
  },
  "hsl": {
    "h": 202.957,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.51822,
    "c": 0.09829,
    "h": 240
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary
#286F9B
secondary
#BD8561
accent
#8246E2
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #286F9B

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

Preview Lab → · Contrast checker → · Palette generator →

#286F9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva