#4F54DB#4F54DB

#4F54DB is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.4% C 0.202 H 275.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4F54DB
RGB	rgb(79, 84, 219)
HSL	hsl(238, 66%, 58%)
HSV	hsv(238, 64%, 86%)
CMYK	cmyk(63.9%, 61.6%, 0%, 14.1%)
CIE-LAB	lab(42.94, 39.22, -69.78)
CIE-LCH	lch(42.94, 80.04, 299.34°)
OKLab	oklab(52.4% 0.0187 -0.201)
OKLCH	oklch(52.4% 0.202 275.3)
XYZ	xyz(19.1768, 13.1158, 68.5251)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F54DB #DBD64F

analogous

#4F9ADB #4F54DB #904FDB

triadic

#4F54DB #DB4F54 #54DB4F

tetradic

#4F54DB #DB4F9A #DBD64F #4FDB90

square

#4F54DB #DB4F9A #DBD64F #4FDB90

split-complementary

#4F54DB #DB904F #9ADB4F

monochromatic

#1E2292 #282EC5 #4F54DB #8285E5 #B5B7F0

Accessibility & contrast

On white

5.80

#4F54DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4F54DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F54DB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F54DB	#FFFFFF	#000000	##FFFFFF
##4F54DB	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#007690

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f54db;
/* rgb */ color: rgb(79, 84, 219);
/* oklch */ color: oklch(52.4% 0.202 275.3);

Tailwind

colors: {
  custom: {
    50: '#8f84e7',
    500: '#4f54db',
    950: '#000000',
  },
}

SCSS

$custom: #4f54db;
$custom-light: #8f84e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f54db",
  "rgb": {
    "r": 79,
    "g": 84,
    "b": 219
  },
  "hsl": {
    "h": 237.857,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52398,
    "c": 0.20192,
    "h": 275.3
  },
  "luminance": 0.13117
}

Semantic roles & 50–950 ramp

primary

#4F54DB

secondary

#DFDDA7

accent

#E33FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4F54DB

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

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