#2A66A8#2A66A8

#2A66A8 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.5% C 0.122 H 253.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#2A66A8
RGBrgb(42, 102, 168)
HSLhsl(211, 60%, 41%)
HSVhsv(211, 75%, 66%)
CMYKcmyk(75%, 39.3%, 0%, 34.1%)
CIE-LABlab(42.49, 3.98, -40.99)
CIE-LCHlch(42.49, 41.19, 275.54°)
OKLaboklab(50.48% -0.0353 -0.1169)
OKLCHoklch(50.48% 0.122 253.2)
XYZxyz(12.7715, 12.8207, 38.8397)
Luminance0.1282 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A66A8 #A86C2A
analogous
#2AA5A8 #2A66A8 #2D2AA8
triadic
#2A66A8 #A82A66 #66A82A
tetradic
#2A66A8 #A82AA5 #A86C2A #2AA82D
square
#2A66A8 #A82AA5 #A86C2A #2AA82D
split-complementary
#2A66A8 #A82D2A #A5A82A
monochromatic
#122B46 #1E4877 #2A66A8 #4084CF #71A4DB

Accessibility & contrast

On white

5.89
#2A66A8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#2A66A8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66A8
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A66A8#FFFFFF#000000##FFFFFF
##2A66A81.005.893.565.89
#FFFFFF5.891.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#476BAB
Deuteranopia (green-blind)
#335FA7
Tritanopia (blue-blind)
#00767F
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #2a66a8;
/* rgb */ color: rgb(42, 102, 168);
/* oklch */ color: oklch(50.5% 0.122 253.2);
Tailwind
colors: {
  custom: {
    50: '#7591c2',
    500: '#2a66a8',
    950: '#000000',
  },
}
SCSS
$custom: #2a66a8;
$custom-light: #7591c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2a66a8",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 168
  },
  "hsl": {
    "h": 211.429,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50483,
    "c": 0.12211,
    "h": 253.2
  },
  "luminance": 0.12822
}

Semantic roles & 50–950 ramp

primary
#2A66A8
secondary
#C3996B
accent
#9845E3
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090C12
muted
#7B7D81

Preview Lab

Preview with #2A66A8

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

Preview Lab → · Contrast checker → · Palette generator →

#2A66A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva