#4A51DA#4A51DA

#4A51DA is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.5% C 0.205 H 274.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4A51DA
RGB	rgb(74, 81, 218)
HSL	hsl(237, 66%, 57%)
HSV	hsv(237, 66%, 85%)
CMYK	cmyk(66.1%, 62.8%, 0%, 14.5%)
CIE-LAB	lab(41.85, 39.99, -71.00)
CIE-LCH	lch(41.85, 81.49, 299.39°)
OKLab	oklab(51.49% 0.0155 -0.2048)
OKLCH	oklch(51.49% 0.205 274.3)
XYZ	xyz(18.4172, 12.4010, 67.7391)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51DA #DAD34A

analogous

#4A99DA #4A51DA #8B4ADA

triadic

#4A51DA #DA4A51 #51DA4A

tetradic

#4A51DA #DA4A99 #DAD34A #4ADA8B

square

#4A51DA #DA4A99 #DAD34A #4ADA8B

split-complementary

#4A51DA #DA8B4A #99DA4A

monochromatic

#1D228D #272FC0 #4A51DA #7D82E4 #B0B3EF

Accessibility & contrast

On white

6.03

#4A51DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4A51DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51DA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51DA	#FFFFFF	#000000	##FFFFFF
##4A51DA	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DE

Deuteranopia (green-blind)

#005CD7

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4a51da;
/* rgb */ color: rgb(74, 81, 218);
/* oklch */ color: oklch(51.5% 0.205 274.3);

Tailwind

colors: {
  custom: {
    50: '#8d82e6',
    500: '#4a51da',
    950: '#000000',
  },
}

SCSS

$custom: #4a51da;
$custom-light: #8d82e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51da",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 218
  },
  "hsl": {
    "h": 237.083,
    "s": 66.055,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5149,
    "c": 0.20537,
    "h": 274.3
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#4A51DA

secondary

#DDDAA3

accent

#E13FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4A51DA

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

Preview Lab → · Contrast checker → · Palette generator →