#2C66C0#2C66C0

#2C66C0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.1% C 0.154 H 259.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#2C66C0
RGBrgb(44, 102, 192)
HSLhsl(216, 63%, 46%)
HSVhsv(216, 77%, 75%)
CMYKcmyk(77.1%, 46.9%, 0%, 24.7%)
CIE-LABlab(44.01, 13.35, -52.60)
CIE-LCHlch(44.01, 54.26, 284.24°)
OKLaboklab(52.14% -0.029 -0.151)
OKLCHoklch(52.14% 0.154 259.1)
XYZxyz(15.3010, 13.8422, 51.7243)
Luminance0.1384 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2C66C0 #C0862C
analogous
#2CB0C0 #2C66C0 #3C2CC0
triadic
#2C66C0 #C02C66 #66C02C
tetradic
#2C66C0 #C02CB0 #C0862C #2CC03C
square
#2C66C0 #C02CB0 #C0862C #2CC03C
split-complementary
#2C66C0 #C03C2C #B0C02C
monochromatic
#15315C #214C8E #2C66C0 #5286D7 #84A9E3

Accessibility & contrast

On white

5.57
#2C66C0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#2C66C0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C66C0
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2C66C0#FFFFFF#000000##FFFFFF
##2C66C01.005.573.775.57
#FFFFFF5.571.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#356FC3
Deuteranopia (green-blind)
#0B62BE
Tritanopia (blue-blind)
#007B8A
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #2c66c0;
/* rgb */ color: rgb(44, 102, 192);
/* oklch */ color: oklch(52.1% 0.154 259.1);
Tailwind
colors: {
  custom: {
    50: '#7b91d4',
    500: '#2c66c0',
    950: '#000000',
  },
}
SCSS
$custom: #2c66c0;
$custom-light: #7b91d4;
$custom-dark: #000000;
JSON
{
  "hex": "#2c66c0",
  "rgb": {
    "r": 44,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 216.486,
    "s": 62.712,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52143,
    "c": 0.15375,
    "h": 259.1
  },
  "luminance": 0.13844
}

Semantic roles & 50–950 ramp

primary
#2C66C0
secondary
#CCAD7C
accent
#A642E6
background
#F8F8FD
surface
#EFF0FA
border
#CACBD3
text
#0B0C14
muted
#7C7D83

Preview Lab

Preview with #2C66C0

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

Preview Lab → · Contrast checker → · Palette generator →

#2C66C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva