#2666C5#2666C5

#2666C5 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.162 H 258.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#2666C5
RGB	rgb(38, 102, 197)
HSL	hsl(216, 68%, 46%)
HSV	hsv(216, 81%, 77%)
CMYK	cmyk(80.7%, 48.2%, 0%, 22.7%)
CIE-LAB	lab(44.15, 14.62, -55.26)
CIE-LCH	lch(44.15, 57.16, 284.82°)
OKLab	oklab(52.31% -0.0319 -0.1589)
OKLCH	oklch(52.31% 0.162 258.7)
XYZ	xyz(15.6250, 13.9441, 54.6805)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2666C5 #C58526

analogous

#26B5C5 #2666C5 #3526C5

triadic

#2666C5 #C52666 #66C526

tetradic

#2666C5 #C526B5 #C58526 #26C535

square

#2666C5 #C526B5 #C58526 #26C535

split-complementary

#2666C5 #C53526 #B5C526

monochromatic

#12315E #1C4B92 #2666C5 #4C86DC #7FA9E6

Accessibility & contrast

On white

5.54

#2666C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#2666C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2666C5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2666C5	#FFFFFF	#000000	##FFFFFF
##2666C5	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F70C9

Deuteranopia (green-blind)

#0062C3

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2666c5;
/* rgb */ color: rgb(38, 102, 197);
/* oklch */ color: oklch(52.3% 0.162 258.7);

Tailwind

colors: {
  custom: {
    50: '#7a90d7',
    500: '#2666c5',
    950: '#000000',
  },
}

SCSS

$custom: #2666c5;
$custom-light: #7a90d7;
$custom-dark: #000000;

JSON

{
  "hex": "#2666c5",
  "rgb": {
    "r": 38,
    "g": 102,
    "b": 197
  },
  "hsl": {
    "h": 215.849,
    "s": 67.66,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5231,
    "c": 0.16206,
    "h": 258.7
  },
  "luminance": 0.13946
}

Semantic roles & 50–950 ramp

primary

#2666C5

secondary

#CFAC78

accent

#A53DEB

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2666C5

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

Preview Lab → · Contrast checker → · Palette generator →