#4B68DB#4B68DB

#4B68DB is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.8% C 0.179 H 269.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4B68DB
RGB	rgb(75, 104, 219)
HSL	hsl(228, 67%, 58%)
HSV	hsv(228, 66%, 86%)
CMYK	cmyk(65.8%, 52.5%, 0%, 14.1%)
CIE-LAB	lab(47.64, 26.21, -62.16)
CIE-LCH	lch(47.64, 67.46, 292.87°)
OKLab	oklab(55.84% -0.0024 -0.1785)
OKLCH	oklch(55.84% 0.179 269.2)
XYZ	xyz(20.6338, 16.5090, 69.1033)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B68DB #DBBE4B

analogous

#4BB0DB #4B68DB #764BDB

triadic

#4B68DB #DB4B68 #68DB4B

tetradic

#4B68DB #DB4BB0 #DBBE4B #4BDB76

square

#4B68DB #DB4BB0 #DBBE4B #4BDB76

split-complementary

#4B68DB #DB764B #B0DB4B

monochromatic

#1D348F #2746C2 #4B68DB #7E93E5 #B1BEEF

Accessibility & contrast

On white

4.88

#4B68DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4B68DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B68DB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B68DB	#FFFFFF	#000000	##FFFFFF
##4B68DB	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C78DF

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#008397

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4b68db;
/* rgb */ color: rgb(75, 104, 219);
/* oklch */ color: oklch(55.8% 0.179 269.2);

Tailwind

colors: {
  custom: {
    50: '#8c92e7',
    500: '#4b68db',
    950: '#000000',
  },
}

SCSS

$custom: #4b68db;
$custom-light: #8c92e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b68db",
  "rgb": {
    "r": 75,
    "g": 104,
    "b": 219
  },
  "hsl": {
    "h": 227.917,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55837,
    "c": 0.17856,
    "h": 269.2
  },
  "luminance": 0.16511
}

Semantic roles & 50–950 ramp

primary

#4B68DB

secondary

#DED2A4

accent

#C73EEA

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0D16

muted

#7E7D84

Preview Lab

Preview with #4B68DB

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

Preview Lab → · Contrast checker → · Palette generator →