#2B66BD#2B66BD

#2B66BD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.9% C 0.150 H 258.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B66BD
RGB	rgb(43, 102, 189)
HSL	hsl(216, 63%, 45%)
HSV	hsv(216, 77%, 74%)
CMYK	cmyk(77.2%, 46%, 0%, 25.9%)
CIE-LAB	lab(43.78, 12.09, -51.22)
CIE-LCH	lch(43.78, 52.62, 283.28°)
OKLab	oklab(51.9% -0.0302 -0.1469)
OKLCH	oklch(51.9% 0.15 258.4)
XYZ	xyz(14.9296, 13.6887, 49.9896)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66BD #BD822B

analogous

#2BAFBD #2B66BD #392BBD

triadic

#2B66BD #BD2B66 #66BD2B

tetradic

#2B66BD #BD2BAF #BD822B #2BBD39

square

#2B66BD #BD2BAF #BD822B #2BBD39

split-complementary

#2B66BD #BD392B #AFBD2B

monochromatic

#143059 #204B8B #2B66BD #4E86D7 #80A8E2

Accessibility & contrast

On white

5.62

#2B66BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#2B66BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66BD

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66BD	#FFFFFF	#000000	##FFFFFF
##2B66BD	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386FC0

Deuteranopia (green-blind)

#1461BB

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2b66bd;
/* rgb */ color: rgb(43, 102, 189);
/* oklch */ color: oklch(51.9% 0.150 258.4);

Tailwind

colors: {
  custom: {
    50: '#7a91d1',
    500: '#2b66bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b66bd;
$custom-light: #7a91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66bd",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 215.753,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51901,
    "c": 0.15,
    "h": 258.4
  },
  "luminance": 0.1369
}

Semantic roles & 50–950 ramp

primary

#2B66BD

secondary

#CBAA79

accent

#A442E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B66BD

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

Preview Lab → · Contrast checker → · Palette generator →