#4B68CB#4B68CB

#4B68CB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.7% C 0.157 H 268.5°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4B68CB
RGB	rgb(75, 104, 203)
HSL	hsl(226, 55%, 55%)
HSV	hsv(226, 63%, 80%)
CMYK	cmyk(63.1%, 48.8%, 0%, 20.4%)
CIE-LAB	lab(46.59, 20.66, -54.72)
CIE-LCH	lch(46.59, 58.49, 290.69°)
OKLab	oklab(54.71% -0.004 -0.1566)
OKLCH	oklch(54.71% 0.157 268.5)
XYZ	xyz(18.6278, 15.7066, 58.5384)
Luminance	0.1571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B68CB #CBAE4B

analogous

#4BA8CB #4B68CB #6E4BCB

triadic

#4B68CB #CB4B68 #68CB4B

tetradic

#4B68CB #CB4BA8 #CBAE4B #4BCB6E

square

#4B68CB #CB4BA8 #CBAE4B #4BCB6E

split-complementary

#4B68CB #CB6E4B #A8CB4B

monochromatic

#233679 #314CA8 #4B68CB #7A90D9 #AAB8E6

Accessibility & contrast

On white

5.07

#4B68CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4B68CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B68CB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B68CB	#FFFFFF	#000000	##FFFFFF
##4B68CB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3474CF

Deuteranopia (green-blind)

#1769C9

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4b68cb;
/* rgb */ color: rgb(75, 104, 203);
/* oklch */ color: oklch(54.7% 0.157 268.5);

Tailwind

colors: {
  custom: {
    50: '#8992db',
    500: '#4b68cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b68cb;
$custom-light: #8992db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b68cb",
  "rgb": {
    "r": 75,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 226.406,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.54708,
    "c": 0.15669,
    "h": 268.5
  },
  "luminance": 0.15708
}

Semantic roles & 50–950 ramp

primary

#4B68CB

secondary

#D4C89E

accent

#BD49DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0D15

muted

#7E7D83

Preview Lab

Preview with #4B68CB

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

Preview Lab → · Contrast checker → · Palette generator →