#4D40BB#4D40BB

#4D40BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.2% C 0.185 H 281.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#4D40BB
RGB	rgb(77, 64, 187)
HSL	hsl(246, 49%, 49%)
HSV	hsv(246, 66%, 73%)
CMYK	cmyk(58.8%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(35.66, 40.52, -63.13)
CIE-LCH	lch(35.66, 75.01, 302.69°)
OKLab	oklab(46.24% 0.0357 -0.1817)
OKLCH	oklch(46.24% 0.185 281.1)
XYZ	xyz(13.8608, 8.8315, 47.9783)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D40BB #AEBB40

analogous

#4071BB #4D40BB #8A40BB

triadic

#4D40BB #BB4D40 #40BB4D

tetradic

#4D40BB #BB4071 #AEBB40 #40BB8A

square

#4D40BB #BB4071 #AEBB40 #40BB8A

split-complementary

#4D40BB #BB8A40 #71BB40

monochromatic

#272160 #3A308D #4D40BB #766CCD #A099DC

Accessibility & contrast

On white

7.59

#4D40BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4D40BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D40BB

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D40BB	#FFFFFF	#000000	##FFFFFF
##4D40BB	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#015F78

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4d40bb;
/* rgb */ color: rgb(77, 64, 187);
/* oklch */ color: oklch(46.2% 0.185 281.1);

Tailwind

colors: {
  custom: {
    50: '#8a76d0',
    500: '#4d40bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d40bb;
$custom-light: #8a76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d40bb",
  "rgb": {
    "r": 77,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 246.341,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46242,
    "c": 0.18514,
    "h": 281.1
  },
  "luminance": 0.08832
}

Semantic roles & 50–950 ramp

primary

#4D40BB

secondary

#C2C88F

accent

#D94FCA

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4D40BB

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

Preview Lab → · Contrast checker → · Palette generator →