#4F56DB#4F56DB

#4F56DB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.7% C 0.200 H 274.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F56DB
RGB	rgb(79, 86, 219)
HSL	hsl(237, 66%, 58%)
HSV	hsv(237, 64%, 86%)
CMYK	cmyk(63.9%, 60.7%, 0%, 14.1%)
CIE-LAB	lab(43.41, 38.00, -69.01)
CIE-LCH	lch(43.41, 78.78, 298.84°)
OKLab	oklab(52.74% 0.0171 -0.1988)
OKLCH	oklch(52.74% 0.2 274.9)
XYZ	xyz(19.3342, 13.4307, 68.5776)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F56DB #DBD44F

analogous

#4F9CDB #4F56DB #8E4FDB

triadic

#4F56DB #DB4F56 #56DB4F

tetradic

#4F56DB #DB4F9C #DBD44F #4FDB8E

square

#4F56DB #DB4F9C #DBD44F #4FDB8E

split-complementary

#4F56DB #DB8E4F #9CDB4F

monochromatic

#1E2492 #2830C5 #4F56DB #8287E5 #B5B8F0

Accessibility & contrast

On white

5.70

#4F56DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#4F56DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F56DB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F56DB	#FFFFFF	#000000	##FFFFFF
##4F56DB	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4f56db;
/* rgb */ color: rgb(79, 86, 219);
/* oklch */ color: oklch(52.7% 0.200 274.9);

Tailwind

colors: {
  custom: {
    50: '#8f86e7',
    500: '#4f56db',
    950: '#000000',
  },
}

SCSS

$custom: #4f56db;
$custom-light: #8f86e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f56db",
  "rgb": {
    "r": 79,
    "g": 86,
    "b": 219
  },
  "hsl": {
    "h": 237,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52742,
    "c": 0.19953,
    "h": 274.9
  },
  "luminance": 0.13432
}

Semantic roles & 50–950 ramp

primary

#4F56DB

secondary

#DFDCA7

accent

#E03FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F56DB

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

Preview Lab → · Contrast checker → · Palette generator →