#4B65BB#4B65BB

#4B65BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.138 H 268.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4B65BB
RGB	rgb(75, 101, 187)
HSL	hsl(226, 45%, 51%)
HSV	hsv(226, 60%, 73%)
CMYK	cmyk(59.9%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.79, 17.04, -48.37)
CIE-LCH	lch(44.79, 51.28, 289.40°)
OKLab	oklab(53.02% -0.0031 -0.138)
OKLCH	oklch(53.02% 0.138 268.7)
XYZ	xyz(16.5220, 14.3897, 48.9109)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B65BB #BBA14B

analogous

#4B9DBB #4B65BB #694BBB

triadic

#4B65BB #BB4B65 #65BB4B

tetradic

#4B65BB #BB4B9D #BBA14B #4BBB69

square

#4B65BB #BB4B9D #BBA14B #4BBB69

split-complementary

#4B65BB #BB694B #9DBB4B

monochromatic

#263565 #374C92 #4B65BB #778BCC #A4B1DD

Accessibility & contrast

On white

5.41

#4B65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4B65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B65BB

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B65BB	#FFFFFF	#000000	##FFFFFF
##4B65BB	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6FBE

Deuteranopia (green-blind)

#2B65B9

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4b65bb;
/* rgb */ color: rgb(75, 101, 187);
/* oklch */ color: oklch(53.0% 0.138 268.7);

Tailwind

colors: {
  custom: {
    50: '#8790d0',
    500: '#4b65bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b65bb;
$custom-light: #8790d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b65bb",
  "rgb": {
    "r": 75,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 226.071,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53017,
    "c": 0.13805,
    "h": 268.7
  },
  "luminance": 0.14391
}

Semantic roles & 50–950 ramp

primary

#4B65BB

secondary

#CABE98

accent

#B753D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4B65BB

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

Preview Lab → · Contrast checker → · Palette generator →