#4A51D3#4A51D3

#4A51D3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.9% C 0.196 H 274.6°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4A51D3
RGB	rgb(74, 81, 211)
HSL	hsl(237, 61%, 56%)
HSV	hsv(237, 65%, 83%)
CMYK	cmyk(64.9%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(41.28, 37.65, -67.91)
CIE-LCH	lch(41.28, 77.65, 299.00°)
OKLab	oklab(50.9% 0.0159 -0.1957)
OKLCH	oklch(50.9% 0.196 274.6)
XYZ	xyz(17.5205, 12.0423, 63.0165)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51D3 #D3CC4A

analogous

#4A95D3 #4A51D3 #874AD3

triadic

#4A51D3 #D34A51 #51D34A

tetradic

#4A51D3 #D34A95 #D3CC4A #4AD387

square

#4A51D3 #D34A95 #D3CC4A #4AD387

split-complementary

#4A51D3 #D3874A #95D34A

monochromatic

#202583 #2C33B4 #4A51D3 #7B80DF #ACB0EB

Accessibility & contrast

On white

6.16

#4A51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4A51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51D3

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51D3	#FFFFFF	#000000	##FFFFFF
##4A51D3	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)

#0068D7

Deuteranopia (green-blind)

#005BD0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4a51d3;
/* rgb */ color: rgb(74, 81, 211);
/* oklch */ color: oklch(50.9% 0.196 274.6);

Tailwind

colors: {
  custom: {
    50: '#8c82e1',
    500: '#4a51d3',
    950: '#000000',
  },
}

SCSS

$custom: #4a51d3;
$custom-light: #8c82e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51d3",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 236.934,
    "s": 60.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.50902,
    "c": 0.19635,
    "h": 274.6
  },
  "luminance": 0.12044
}

Semantic roles & 50–950 ramp

primary

#4A51D3

secondary

#D9D6A0

accent

#DC44E4

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4A51D3

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

Preview Lab → · Contrast checker → · Palette generator →