#2A66C0#2A66C0

#2A66C0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.1% C 0.154 H 258.7°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#2A66C0
RGB	rgb(42, 102, 192)
HSL	hsl(216, 64%, 46%)
HSV	hsv(216, 78%, 75%)
CMYK	cmyk(78.1%, 46.9%, 0%, 24.7%)
CIE-LAB	lab(43.94, 13.12, -52.70)
CIE-LCH	lch(43.94, 54.31, 283.98°)
OKLab	oklab(52.08% -0.0303 -0.1513)
OKLCH	oklch(52.08% 0.154 258.7)
XYZ	xyz(15.2172, 13.7990, 51.7204)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66C0 #C0842A

analogous

#2AB1C0 #2A66C0 #392AC0

triadic

#2A66C0 #C02A66 #66C02A

tetradic

#2A66C0 #C02AB1 #C0842A #2AC039

square

#2A66C0 #C02AB1 #C0842A #2AC039

split-complementary

#2A66C0 #C0392A #B1C02A

monochromatic

#14315C #1F4B8E #2A66C0 #4F86D8 #81A8E3

Accessibility & contrast

On white

5.58

#2A66C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#2A66C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66C0

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66C0	#FFFFFF	#000000	##FFFFFF
##2A66C0	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC3

Deuteranopia (green-blind)

#0961BE

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2a66c0;
/* rgb */ color: rgb(42, 102, 192);
/* oklch */ color: oklch(52.1% 0.154 258.7);

Tailwind

colors: {
  custom: {
    50: '#7a91d4',
    500: '#2a66c0',
    950: '#000000',
  },
}

SCSS

$custom: #2a66c0;
$custom-light: #7a91d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66c0",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 216,
    "s": 64.103,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52077,
    "c": 0.15431,
    "h": 258.7
  },
  "luminance": 0.13801
}

Semantic roles & 50–950 ramp

primary

#2A66C0

secondary

#CCAB7A

accent

#A541E7

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2A66C0

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

Preview Lab → · Contrast checker → · Palette generator →