#2B66C6#2B66C6

#2B66C6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.162 H 259.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B66C6
RGB	rgb(43, 102, 198)
HSL	hsl(217, 64%, 47%)
HSV	hsv(217, 78%, 78%)
CMYK	cmyk(78.3%, 48.5%, 0%, 22.4%)
CIE-LAB	lab(44.36, 15.52, -55.49)
CIE-LCH	lch(44.36, 57.62, 285.63°)
OKLab	oklab(52.54% -0.0287 -0.1595)
OKLCH	oklch(52.54% 0.162 259.8)
XYZ	xyz(15.9370, 14.0917, 55.2952)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66C6 #C68B2B

analogous

#2BB4C6 #2B66C6 #3D2BC6

triadic

#2B66C6 #C62B66 #66C62B

tetradic

#2B66C6 #C62BB4 #C68B2B #2BC63D

square

#2B66C6 #C62BB4 #C68B2B #2BC63D

split-complementary

#2B66C6 #C63D2B #B4C62B

monochromatic

#153261 #204C94 #2B66C6 #5487DA #87AAE5

Accessibility & contrast

On white

5.50

#2B66C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#2B66C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66C6

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66C6	#FFFFFF	#000000	##FFFFFF
##2B66C6	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E70CA

Deuteranopia (green-blind)

#0062C4

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #2b66c6;
/* rgb */ color: rgb(43, 102, 198);
/* oklch */ color: oklch(52.5% 0.162 259.8);

Tailwind

colors: {
  custom: {
    50: '#7c91d8',
    500: '#2b66c6',
    950: '#000000',
  },
}

SCSS

$custom: #2b66c6;
$custom-light: #7c91d8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66c6",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 198
  },
  "hsl": {
    "h": 217.161,
    "s": 64.315,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52535,
    "c": 0.16208,
    "h": 259.8
  },
  "luminance": 0.14094
}

Semantic roles & 50–950 ramp

primary

#2B66C6

secondary

#CEB07F

accent

#A840E7

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2B66C6

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

Preview Lab → · Contrast checker → · Palette generator →