#4B68BB#4B68BB

#4B68BB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.6% C 0.134 H 267.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B68BB
RGB	rgb(75, 104, 187)
HSL	hsl(224, 45%, 51%)
HSV	hsv(224, 60%, 73%)
CMYK	cmyk(59.9%, 44.4%, 0%, 26.7%)
CIE-LAB	lab(45.61, 15.14, -47.05)
CIE-LCH	lch(45.61, 49.43, 287.84°)
OKLab	oklab(53.65% -0.0063 -0.1341)
OKLCH	oklch(53.65% 0.134 267.3)
XYZ	xyz(16.8186, 14.9829, 49.0098)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B68BB #BB9E4B

analogous

#4BA0BB #4B68BB #664BBB

triadic

#4B68BB #BB4B68 #68BB4B

tetradic

#4B68BB #BB4BA0 #BB9E4B #4BBB66

square

#4B68BB #BB4BA0 #BB9E4B #4BBB66

split-complementary

#4B68BB #BB664B #A0BB4B

monochromatic

#263765 #374F92 #4B68BB #778DCC #A4B3DD

Accessibility & contrast

On white

5.25

#4B68BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#4B68BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B68BB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B68BB	#FFFFFF	#000000	##FFFFFF
##4B68BB	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4271BE

Deuteranopia (green-blind)

#3267B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4b68bb;
/* rgb */ color: rgb(75, 104, 187);
/* oklch */ color: oklch(53.6% 0.134 267.3);

Tailwind

colors: {
  custom: {
    50: '#8792d0',
    500: '#4b68bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b68bb;
$custom-light: #8792d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b68bb",
  "rgb": {
    "r": 75,
    "g": 104,
    "b": 187
  },
  "hsl": {
    "h": 224.464,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53648,
    "c": 0.13426,
    "h": 267.3
  },
  "luminance": 0.14984
}

Semantic roles & 50–950 ramp

primary

#4B68BB

secondary

#CABD98

accent

#B353D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0D14

muted

#7D7D82

Preview Lab

Preview with #4B68BB

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

Preview Lab → · Contrast checker → · Palette generator →