#2666AC#2666AC

#2666AC is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.6% C 0.129 H 253.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#2666AC
RGBrgb(38, 102, 172)
HSLhsl(211, 64%, 41%)
HSVhsv(211, 78%, 67%)
CMYKcmyk(77.9%, 40.7%, 0%, 32.5%)
CIE-LABlab(42.60, 4.99, -43.18)
CIE-LCHlch(42.60, 43.47, 276.59°)
OKLaboklab(50.61% -0.0367 -0.1234)
OKLCHoklch(50.61% 0.129 253.4)
XYZxyz(12.9943, 12.8918, 40.8253)
Luminance0.1289 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2666AC #AC6C26
analogous
#26A9AC #2666AC #2926AC
triadic
#2666AC #AC2666 #66AC26
tetradic
#2666AC #AC26A9 #AC6C26 #26AC29
square
#2666AC #AC26A9 #AC6C26 #26AC29
split-complementary
#2666AC #AC2926 #A9AC26
monochromatic
#102B48 #1B487A #2666AC #3B84D4 #6EA4DF

Accessibility & contrast

On white

5.87
#2666AC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#2666AC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2666AC
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2666AC#FFFFFF#000000##FFFFFF
##2666AC1.005.873.585.87
#FFFFFF5.871.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#446BAF
Deuteranopia (green-blind)
#2E5FAB
Tritanopia (blue-blind)
#007780
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #2666ac;
/* rgb */ color: rgb(38, 102, 172);
/* oklch */ color: oklch(50.6% 0.129 253.4);
Tailwind
colors: {
  custom: {
    50: '#7491c5',
    500: '#2666ac',
    950: '#000000',
  },
}
SCSS
$custom: #2666ac;
$custom-light: #7491c5;
$custom-dark: #000000;
JSON
{
  "hex": "#2666ac",
  "rgb": {
    "r": 38,
    "g": 102,
    "b": 172
  },
  "hsl": {
    "h": 211.343,
    "s": 63.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50608,
    "c": 0.12874,
    "h": 253.4
  },
  "luminance": 0.12893
}

Semantic roles & 50–950 ramp

primary
#2666AC
secondary
#C59968
accent
#9841E7
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090C13
muted
#7B7D82

Preview Lab

Preview with #2666AC

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

Preview Lab → · Contrast checker → · Palette generator →

#2666AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva