#4F52DB#4F52DB

#4F52DB is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.1% C 0.204 H 275.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4F52DB
RGB	rgb(79, 82, 219)
HSL	hsl(239, 66%, 58%)
HSV	hsv(239, 64%, 86%)
CMYK	cmyk(63.9%, 62.6%, 0%, 14.1%)
CIE-LAB	lab(42.48, 40.43, -70.53)
CIE-LCH	lch(42.48, 81.30, 299.82°)
OKLab	oklab(52.06% 0.0203 -0.2033)
OKLCH	oklch(52.06% 0.204 275.7)
XYZ	xyz(19.0237, 12.8097, 68.4741)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F52DB #DBD84F

analogous

#4F98DB #4F52DB #924FDB

triadic

#4F52DB #DB4F52 #52DB4F

tetradic

#4F52DB #DB4F98 #DBD84F #4FDB92

square

#4F52DB #DB4F98 #DBD84F #4FDB92

split-complementary

#4F52DB #DB924F #98DB4F

monochromatic

#1E2092 #282CC5 #4F52DB #8284E5 #B5B6F0

Accessibility & contrast

On white

5.90

#4F52DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4F52DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F52DB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F52DB	#FFFFFF	#000000	##FFFFFF
##4F52DB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#00758F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f52db;
/* rgb */ color: rgb(79, 82, 219);
/* oklch */ color: oklch(52.1% 0.204 275.7);

Tailwind

colors: {
  custom: {
    50: '#8f83e7',
    500: '#4f52db',
    950: '#000000',
  },
}

SCSS

$custom: #4f52db;
$custom-light: #8f83e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f52db",
  "rgb": {
    "r": 79,
    "g": 82,
    "b": 219
  },
  "hsl": {
    "h": 238.714,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52059,
    "c": 0.20429,
    "h": 275.7
  },
  "luminance": 0.12811
}

Semantic roles & 50–950 ramp

primary

#4F52DB

secondary

#DFDDA7

accent

#E53FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4F52DB

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

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