#4E40B3#4E40B3

#4E40B3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.175 H 282.5°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B3
RGB	rgb(78, 64, 179)
HSL	hsl(247, 47%, 48%)
HSV	hsv(247, 64%, 70%)
CMYK	cmyk(56.4%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(35.08, 38.15, -59.34)
CIE-LCH	lch(35.08, 70.54, 302.74°)
OKLab	oklab(45.64% 0.0378 -0.1705)
OKLCH	oklch(45.64% 0.175 282.5)
XYZ	xyz(13.1095, 8.5403, 43.5967)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B3 #A5B340

analogous

#406CB3 #4E40B3 #8740B3

triadic

#4E40B3 #B34E40 #40B34E

tetradic

#4E40B3 #B3406C #A5B340 #40B387

square

#4E40B3 #B3406C #A5B340 #40B387

split-complementary

#4E40B3 #B38740 #6CB340

monochromatic

#272059 #3A3086 #4E40B3 #7367C9 #9D94D9

Accessibility & contrast

On white

7.75

#4E40B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4E40B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B3

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B3	#FFFFFF	#000000	##FFFFFF
##4E40B3	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#1B5D73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4e40b3;
/* rgb */ color: rgb(78, 64, 179);
/* oklch */ color: oklch(45.6% 0.175 282.5);

Tailwind

colors: {
  custom: {
    50: '#8976cb',
    500: '#4e40b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b3;
$custom-light: #8976cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b3",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 247.304,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45642,
    "c": 0.17465,
    "h": 282.5
  },
  "luminance": 0.08541
}

Semantic roles & 50–950 ramp

primary

#4E40B3

secondary

#BDC48A

accent

#D751C7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4E40B3

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

Preview Lab → · Contrast checker → · Palette generator →