#4D51D3#4D51D3

#4D51D3 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.1% C 0.196 H 275.7°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4D51D3
RGB	rgb(77, 81, 211)
HSL	hsl(238, 60%, 56%)
HSV	hsv(238, 64%, 83%)
CMYK	cmyk(63.5%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(41.48, 38.09, -67.58)
CIE-LCH	lch(41.48, 77.58, 299.41°)
OKLab	oklab(51.09% 0.0193 -0.1947)
OKLCH	oklch(51.09% 0.196 275.7)
XYZ	xyz(17.7570, 12.1643, 63.0276)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51D3 #D3CF4D

analogous

#4D94D3 #4D51D3 #8C4DD3

triadic

#4D51D3 #D34D51 #51D34D

tetradic

#4D51D3 #D34D94 #D3CF4D #4DD38C

square

#4D51D3 #D34D94 #D3CF4D #4DD38C

split-complementary

#4D51D3 #D38C4D #94D34D

monochromatic

#212485 #2D31B6 #4D51D3 #7E81DF #AFB1EB

Accessibility & contrast

On white

6.12

#4D51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4D51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51D3

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51D3	#FFFFFF	#000000	##FFFFFF
##4D51D3	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#005CD0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4d51d3;
/* rgb */ color: rgb(77, 81, 211);
/* oklch */ color: oklch(51.1% 0.196 275.7);

Tailwind

colors: {
  custom: {
    50: '#8d82e1',
    500: '#4d51d3',
    950: '#000000',
  },
}

SCSS

$custom: #4d51d3;
$custom-light: #8d82e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51d3",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 238.209,
    "s": 60.36,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51094,
    "c": 0.19564,
    "h": 275.7
  },
  "luminance": 0.12166
}

Semantic roles & 50–950 ramp

primary

#4D51D3

secondary

#D9D8A2

accent

#DF44E4

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4D51D3

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

Preview Lab → · Contrast checker → · Palette generator →