#4A66BC#4A66BC

#4A66BC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.2% C 0.139 H 267.9°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4A66BC
RGB	rgb(74, 102, 188)
HSL	hsl(225, 46%, 51%)
HSV	hsv(225, 61%, 74%)
CMYK	cmyk(60.6%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(45.06, 16.55, -48.51)
CIE-LCH	lch(45.06, 51.25, 288.84°)
OKLab	oklab(53.23% -0.005 -0.1384)
OKLCH	oklch(53.23% 0.139 267.9)
XYZ	xyz(16.6494, 14.5880, 49.5056)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66BC #BCA04A

analogous

#4A9FBC #4A66BC #674ABC

triadic

#4A66BC #BC4A66 #66BC4A

tetradic

#4A66BC #BC4A9F #BCA04A #4ABC67

square

#4A66BC #BC4A9F #BCA04A #4ABC67

split-complementary

#4A66BC #BC674A #9FBC4A

monochromatic

#263566 #364D93 #4A66BC #778CCD #A3B2DD

Accessibility & contrast

On white

5.36

#4A66BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4A66BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66BC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66BC	#FFFFFF	#000000	##FFFFFF
##4A66BC	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D70BF

Deuteranopia (green-blind)

#2C66BA

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4a66bc;
/* rgb */ color: rgb(74, 102, 188);
/* oklch */ color: oklch(53.2% 0.139 267.9);

Tailwind

colors: {
  custom: {
    50: '#8691d1',
    500: '#4a66bc',
    950: '#000000',
  },
}

SCSS

$custom: #4a66bc;
$custom-light: #8691d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66bc",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 225.263,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53234,
    "c": 0.13852,
    "h": 267.9
  },
  "luminance": 0.14589
}

Semantic roles & 50–950 ramp

primary

#4A66BC

secondary

#CABE98

accent

#B552D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4A66BC

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

Preview Lab → · Contrast checker → · Palette generator →