#2B66A9#2B66A9

#2B66A9 is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.6% C 0.123 H 253.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#2B66A9
RGBrgb(43, 102, 169)
HSLhsl(212, 59%, 42%)
HSVhsv(212, 75%, 66%)
CMYKcmyk(74.6%, 39.6%, 0%, 33.7%)
CIE-LABlab(42.58, 4.49, -41.44)
CIE-LCHlch(42.58, 41.68, 276.19°)
OKLaboklab(50.58% -0.0344 -0.1182)
OKLCHoklch(50.58% 0.123 253.8)
XYZxyz(12.9064, 12.8795, 39.3342)
Luminance0.1288 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B66A9 #A96E2B
analogous
#2BA5A9 #2B66A9 #2F2BA9
triadic
#2B66A9 #A92B66 #66A92B
tetradic
#2B66A9 #A92BA5 #A96E2B #2BA92F
square
#2B66A9 #A92BA5 #A96E2B #2BA92F
split-complementary
#2B66A9 #A92F2B #A5A92B
monochromatic
#122B47 #1F4978 #2B66A9 #4284CF #73A4DB

Accessibility & contrast

On white

5.87
#2B66A9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#2B66A9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66A9
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B66A9#FFFFFF#000000##FFFFFF
##2B66A91.005.873.585.87
#FFFFFF5.871.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#476BAC
Deuteranopia (green-blind)
#335FA8
Tritanopia (blue-blind)
#00767F
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #2b66a9;
/* rgb */ color: rgb(43, 102, 169);
/* oklch */ color: oklch(50.6% 0.123 253.8);
Tailwind
colors: {
  custom: {
    50: '#7591c3',
    500: '#2b66a9',
    950: '#000000',
  },
}
SCSS
$custom: #2b66a9;
$custom-light: #7591c3;
$custom-dark: #000000;
JSON
{
  "hex": "#2b66a9",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 169
  },
  "hsl": {
    "h": 211.905,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5058,
    "c": 0.1231,
    "h": 253.8
  },
  "luminance": 0.12881
}

Semantic roles & 50–950 ramp

primary
#2B66A9
secondary
#C39B6D
accent
#9945E3
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C12
muted
#7C7D81

Preview Lab

Preview with #2B66A9

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

Preview Lab → · Contrast checker → · Palette generator →

#2B66A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva