#4F5FDB#4F5FDB

#4F5FDB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.4% C 0.189 H 272.9°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4F5FDB
RGB	rgb(79, 95, 219)
HSL	hsl(233, 66%, 58%)
HSV	hsv(233, 64%, 86%)
CMYK	cmyk(63.9%, 56.6%, 0%, 14.1%)
CIE-LAB	lab(45.58, 32.46, -65.48)
CIE-LCH	lch(45.58, 73.08, 296.37°)
OKLab	oklab(54.35% 0.0095 -0.1883)
OKLCH	oklch(54.35% 0.189 272.9)
XYZ	xyz(20.0986, 14.9594, 68.8324)
Luminance	0.1496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5FDB #DBCB4F

analogous

#4FA5DB #4F5FDB #854FDB

triadic

#4F5FDB #DB4F5F #5FDB4F

tetradic

#4F5FDB #DB4FA5 #DBCB4F #4FDB85

square

#4F5FDB #DB4FA5 #DBCB4F #4FDB85

split-complementary

#4F5FDB #DB854F #A5DB4F

monochromatic

#1E2B92 #283AC5 #4F5FDB #828DE5 #B5BBF0

Accessibility & contrast

On white

5.26

#4F5FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#4F5FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5FDB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5FDB	#FFFFFF	#000000	##FFFFFF
##4F5FDB	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DF

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4f5fdb;
/* rgb */ color: rgb(79, 95, 219);
/* oklch */ color: oklch(54.4% 0.189 272.9);

Tailwind

colors: {
  custom: {
    50: '#8f8ce7',
    500: '#4f5fdb',
    950: '#000000',
  },
}

SCSS

$custom: #4f5fdb;
$custom-light: #8f8ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5fdb",
  "rgb": {
    "r": 79,
    "g": 95,
    "b": 219
  },
  "hsl": {
    "h": 233.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54353,
    "c": 0.18857,
    "h": 272.9
  },
  "luminance": 0.14961
}

Semantic roles & 50–950 ramp

primary

#4F5FDB

secondary

#DFD8A7

accent

#D63FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F5FDB

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

Preview Lab → · Contrast checker → · Palette generator →