#4B5BDD#4B5BDD

#4B5BDD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.5% C 0.197 H 272.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BDD
RGB	rgb(75, 91, 221)
HSL	hsl(233, 68%, 58%)
HSV	hsv(233, 66%, 87%)
CMYK	cmyk(66.1%, 58.8%, 0%, 13.3%)
CIE-LAB	lab(44.51, 35.01, -68.36)
CIE-LCH	lch(44.51, 76.80, 297.12°)
OKLab	oklab(53.55% 0.0087 -0.1969)
OKLCH	oklch(53.55% 0.197 272.5)
XYZ	xyz(19.6895, 14.1967, 70.0952)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BDD #DDCD4B

analogous

#4BA4DD #4B5BDD #844BDD

triadic

#4B5BDD #DD4B5B #5BDD4B

tetradic

#4B5BDD #DD4BA4 #DDCD4B #4BDD84

square

#4B5BDD #DD4BA4 #DDCD4B #4BDD84

split-complementary

#4B5BDD #DD844B #A4DD4B

monochromatic

#1C2992 #2537C5 #4B5BDD #7E8AE7 #B2B9F0

Accessibility & contrast

On white

5.47

#4B5BDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4B5BDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BDD

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BDD	#FFFFFF	#000000	##FFFFFF
##4B5BDD	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#007B93

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4b5bdd;
/* rgb */ color: rgb(75, 91, 221);
/* oklch */ color: oklch(53.5% 0.197 272.5);

Tailwind

colors: {
  custom: {
    50: '#8d89e8',
    500: '#4b5bdd',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bdd;
$custom-light: #8d89e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bdd",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 221
  },
  "hsl": {
    "h": 233.425,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53546,
    "c": 0.19712,
    "h": 272.5
  },
  "luminance": 0.14198
}

Semantic roles & 50–950 ramp

primary

#4B5BDD

secondary

#DFD9A5

accent

#D83DEB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B5BDD

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

Preview Lab → · Contrast checker → · Palette generator →