#2B66A4#2B66A4

#2B66A4 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.3% C 0.116 H 252.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#2B66A4
RGBrgb(43, 102, 164)
HSLhsl(211, 58%, 41%)
HSVhsv(211, 74%, 64%)
CMYKcmyk(73.8%, 37.8%, 0%, 35.7%)
CIE-LABlab(42.30, 2.61, -38.93)
CIE-LCHlch(42.30, 39.02, 273.83°)
OKLaboklab(50.27% -0.0356 -0.1109)
OKLCHoklch(50.27% 0.116 252.2)
XYZxyz(12.4460, 12.6953, 36.9093)
Luminance0.1270 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B66A4 #A4692B
analogous
#2BA2A4 #2B66A4 #2D2BA4
triadic
#2B66A4 #A42B66 #66A42B
tetradic
#2B66A4 #A42BA2 #A4692B #2BA42D
square
#2B66A4 #A42BA2 #A4692B #2BA42D
split-complementary
#2B66A4 #A42D2B #A2A42B
monochromatic
#122A43 #1E4874 #2B66A4 #3F84CD #70A3D9

Accessibility & contrast

On white

5.93
#2B66A4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.54
#2B66A4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66A4
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B66A4#FFFFFF#000000##FFFFFF
##2B66A41.005.933.545.93
#FFFFFF5.931.0021.001.00
#0000003.5421.001.0021.00
##FFFFFF5.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#496AA7
Deuteranopia (green-blind)
#375FA3
Tritanopia (blue-blind)
#00757D
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #2b66a4;
/* rgb */ color: rgb(43, 102, 164);
/* oklch */ color: oklch(50.3% 0.116 252.2);
Tailwind
colors: {
  custom: {
    50: '#7491bf',
    500: '#2b66a4',
    950: '#000000',
  },
}
SCSS
$custom: #2b66a4;
$custom-light: #7491bf;
$custom-dark: #000000;
JSON
{
  "hex": "#2b66a4",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 210.744,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5027,
    "c": 0.11645,
    "h": 252.2
  },
  "luminance": 0.12697
}

Semantic roles & 50–950 ramp

primary
#2B66A4
secondary
#C1966A
accent
#9646E2
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090C12
muted
#7B7D81

Preview Lab

Preview with #2B66A4

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

Preview Lab → · Contrast checker → · Palette generator →

#2B66A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva