#4C65BB#4C65BB

#4C65BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.138 H 269.1°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4C65BB
RGB	rgb(76, 101, 187)
HSL	hsl(226, 45%, 52%)
HSV	hsv(226, 59%, 73%)
CMYK	cmyk(59.4%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.84, 17.23, -48.27)
CIE-LCH	lch(44.84, 51.26, 289.65°)
OKLab	oklab(53.08% -0.0021 -0.1377)
OKLCH	oklch(53.08% 0.138 269.1)
XYZ	xyz(16.6008, 14.4304, 48.9146)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C65BB #BBA24C

analogous

#4C9DBB #4C65BB #6B4CBB

triadic

#4C65BB #BB4C65 #65BB4C

tetradic

#4C65BB #BB4C9D #BBA24C #4CBB6B

square

#4C65BB #BB4C9D #BBA24C #4CBB6B

split-complementary

#4C65BB #BB6B4C #9DBB4C

monochromatic

#273566 #384C92 #4C65BB #788BCC #A5B1DD

Accessibility & contrast

On white

5.40

#4C65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4C65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C65BB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C65BB	#FFFFFF	#000000	##FFFFFF
##4C65BB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6FBE

Deuteranopia (green-blind)

#2C65B9

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4c65bb;
/* rgb */ color: rgb(76, 101, 187);
/* oklch */ color: oklch(53.1% 0.138 269.1);

Tailwind

colors: {
  custom: {
    50: '#8790d0',
    500: '#4c65bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c65bb;
$custom-light: #8790d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c65bb",
  "rgb": {
    "r": 76,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 226.486,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53076,
    "c": 0.13773,
    "h": 269.1
  },
  "luminance": 0.14432
}

Semantic roles & 50–950 ramp

primary

#4C65BB

secondary

#CABF99

accent

#B753D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4C65BB

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

Preview Lab → · Contrast checker → · Palette generator →