#2C66CC#2C66CC

#2C66CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.170 H 260.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#2C66CC
RGB	rgb(44, 102, 204)
HSL	hsl(218, 65%, 49%)
HSV	hsv(218, 78%, 80%)
CMYK	cmyk(78.4%, 50%, 0%, 20%)
CIE-LAB	lab(44.80, 17.91, -58.25)
CIE-LCH	lch(44.80, 60.94, 287.10°)
OKLab	oklab(53% -0.0272 -0.1676)
OKLCH	oklch(53% 0.17 260.8)
XYZ	xyz(16.6852, 14.3959, 59.0143)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C66CC #CC922C

analogous

#2CB6CC #2C66CC #422CCC

triadic

#2C66CC #CC2C66 #66CC2C

tetradic

#2C66CC #CC2CB6 #CC922C #2CCC42

square

#2C66CC #CC2CB6 #CC922C #2CCC42

split-complementary

#2C66CC #CC422C #B6CC2C

monochromatic

#163467 #214D9A #2C66CC #5A89DB #8CADE6

Accessibility & contrast

On white

5.41

#2C66CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#2C66CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C66CC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C66CC	#FFFFFF	#000000	##FFFFFF
##2C66CC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2772D0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #2c66cc;
/* rgb */ color: rgb(44, 102, 204);
/* oklch */ color: oklch(53.0% 0.170 260.8);

Tailwind

colors: {
  custom: {
    50: '#7d91dc',
    500: '#2c66cc',
    950: '#000000',
  },
}

SCSS

$custom: #2c66cc;
$custom-light: #7d91dc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c66cc",
  "rgb": {
    "r": 44,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 218.25,
    "s": 64.516,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53002,
    "c": 0.16981,
    "h": 260.8
  },
  "luminance": 0.14398
}

Semantic roles & 50–950 ramp

primary

#2C66CC

secondary

#D0B483

accent

#AB40E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2C66CC

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

Preview Lab → · Contrast checker → · Palette generator →