#4F47E9#4F47E9

#4F47E9 is a mid, highly saturated blue. Relative luminance 0.121; OKLCH L 51.6% C 0.234 H 276.5°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4F47E9
RGB	rgb(79, 71, 233)
HSL	hsl(243, 79%, 60%)
HSV	hsv(243, 70%, 91%)
CMYK	cmyk(66.1%, 69.5%, 0%, 8.6%)
CIE-LAB	lab(41.30, 51.32, -80.43)
CIE-LCH	lch(41.30, 95.41, 302.54°)
OKLab	oklab(51.57% 0.0266 -0.2323)
OKLCH	oklch(51.57% 0.234 276.5)
XYZ	xyz(20.1809, 12.0502, 78.3374)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F47E9 #E1E947

analogous

#4790E9 #4F47E9 #A047E9

triadic

#4F47E9 #E94F47 #47E94F

tetradic

#4F47E9 #E94790 #E1E947 #47E9A0

square

#4F47E9 #E94790 #E1E947 #47E9A0

split-complementary

#4F47E9 #E9A047 #90E947

monochromatic

#1A13A2 #231AD9 #4F47E9 #837EF0 #B8B4F6

Accessibility & contrast

On white

6.16

#4F47E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4F47E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F47E9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47E9	#FFFFFF	#000000	##FFFFFF
##4F47E9	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068EE

Deuteranopia (green-blind)

#005AE6

Tritanopia (blue-blind)

#007393

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4f47e9;
/* rgb */ color: rgb(79, 71, 233);
/* oklch */ color: oklch(51.6% 0.234 276.5);

Tailwind

colors: {
  custom: {
    50: '#937cf1',
    500: '#4f47e9',
    950: '#000000',
  },
}

SCSS

$custom: #4f47e9;
$custom-light: #937cf1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47e9",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 233
  },
  "hsl": {
    "h": 242.963,
    "s": 78.641,
    "l": 59.608
  },
  "oklch": {
    "l": 0.51571,
    "c": 0.2338,
    "h": 276.5
  },
  "luminance": 0.12052
}

Semantic roles & 50–950 ramp

primary

#4F47E9

secondary

#E2E5A6

accent

#F533EC

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4F47E9

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

Preview Lab → · Contrast checker → · Palette generator →