#4F45CB#4F45CB

#4F45CB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.6% C 0.199 H 279.3°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F45CB
RGB	rgb(79, 69, 203)
HSL	hsl(244, 56%, 53%)
HSV	hsv(244, 66%, 80%)
CMYK	cmyk(61.1%, 66%, 0%, 20.4%)
CIE-LAB	lab(38.25, 42.98, -68.23)
CIE-LCH	lch(38.25, 80.64, 302.21°)
OKLab	oklab(48.58% 0.0322 -0.1966)
OKLCH	oklch(48.58% 0.199 279.3)
XYZ	xyz(16.1286, 10.2291, 57.6128)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F45CB #C1CB45

analogous

#457ECB #4F45CB #9245CB

triadic

#4F45CB #CB4F45 #45CB4F

tetradic

#4F45CB #CB457E #C1CB45 #45CB92

square

#4F45CB #CB457E #C1CB45 #45CB92

split-complementary

#4F45CB #CB9245 #7ECB45

monochromatic

#272175 #372EA5 #4F45CB #7C75D8 #AAA5E6

Accessibility & contrast

On white

6.89

#4F45CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#4F45CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F45CB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F45CB	#FFFFFF	#000000	##FFFFFF
##4F45CB	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCF

Deuteranopia (green-blind)

#0055C8

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4f45cb;
/* rgb */ color: rgb(79, 69, 203);
/* oklch */ color: oklch(48.6% 0.199 279.3);

Tailwind

colors: {
  custom: {
    50: '#8e7adc',
    500: '#4f45cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f45cb;
$custom-light: #8e7adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f45cb",
  "rgb": {
    "r": 79,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 244.478,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48575,
    "c": 0.1992,
    "h": 279.3
  },
  "luminance": 0.1023
}

Semantic roles & 50–950 ramp

primary

#4F45CB

secondary

#CED399

accent

#E048D4

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4F45CB

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

Preview Lab → · Contrast checker → · Palette generator →