#4F53DB#4F53DB

#4F53DB is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.2% C 0.203 H 275.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4F53DB
RGB	rgb(79, 83, 219)
HSL	hsl(238, 66%, 58%)
HSV	hsv(238, 64%, 86%)
CMYK	cmyk(63.9%, 62.1%, 0%, 14.1%)
CIE-LAB	lab(42.71, 39.82, -70.16)
CIE-LCH	lch(42.71, 80.67, 299.58°)
OKLab	oklab(52.23% 0.0195 -0.2022)
OKLCH	oklch(52.23% 0.203 275.5)
XYZ	xyz(19.0997, 12.9616, 68.4994)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F53DB #DBD74F

analogous

#4F99DB #4F53DB #914FDB

triadic

#4F53DB #DB4F53 #53DB4F

tetradic

#4F53DB #DB4F99 #DBD74F #4FDB91

square

#4F53DB #DB4F99 #DBD74F #4FDB91

split-complementary

#4F53DB #DB914F #99DB4F

monochromatic

#1E2192 #282DC5 #4F53DB #8285E5 #B5B6F0

Accessibility & contrast

On white

5.85

#4F53DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4F53DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F53DB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F53DB	#FFFFFF	#000000	##FFFFFF
##4F53DB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00758F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f53db;
/* rgb */ color: rgb(79, 83, 219);
/* oklch */ color: oklch(52.2% 0.203 275.5);

Tailwind

colors: {
  custom: {
    50: '#8f83e7',
    500: '#4f53db',
    950: '#000000',
  },
}

SCSS

$custom: #4f53db;
$custom-light: #8f83e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f53db",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 219
  },
  "hsl": {
    "h": 238.286,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52228,
    "c": 0.20311,
    "h": 275.5
  },
  "luminance": 0.12963
}

Semantic roles & 50–950 ramp

primary

#4F53DB

secondary

#DFDDA7

accent

#E43FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F53DB

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

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