#4A51DF#4A51DF

#4A51DF is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 51.9% C 0.212 H 274.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4A51DF
RGB	rgb(74, 81, 223)
HSL	hsl(237, 70%, 58%)
HSV	hsv(237, 67%, 87%)
CMYK	cmyk(66.8%, 63.7%, 0%, 12.5%)
CIE-LAB	lab(42.26, 41.66, -73.18)
CIE-LCH	lch(42.26, 84.21, 299.65°)
OKLab	oklab(51.92% 0.0152 -0.2112)
OKLCH	oklch(51.92% 0.212 274.1)
XYZ	xyz(19.0813, 12.6667, 71.2371)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51DF #DFD84A

analogous

#4A9BDF #4A51DF #8D4ADF

triadic

#4A51DF #DF4A51 #51DF4A

tetradic

#4A51DF #DF4A9B #DFD84A #4ADF8D

square

#4A51DF #DF4A9B #DFD84A #4ADF8D

split-complementary

#4A51DF #DF8D4A #9BDF4A

monochromatic

#1A2094 #232BC8 #4A51DF #7E83E8 #B2B5F1

Accessibility & contrast

On white

5.94

#4A51DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4A51DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51DF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51DF	#FFFFFF	#000000	##FFFFFF
##4A51DF	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE4

Deuteranopia (green-blind)

#005DDC

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4a51df;
/* rgb */ color: rgb(74, 81, 223);
/* oklch */ color: oklch(51.9% 0.212 274.1);

Tailwind

colors: {
  custom: {
    50: '#8e82ea',
    500: '#4a51df',
    950: '#000000',
  },
}

SCSS

$custom: #4a51df;
$custom-light: #8e82ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51df",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 223
  },
  "hsl": {
    "h": 237.181,
    "s": 69.953,
    "l": 58.235
  },
  "oklch": {
    "l": 0.51917,
    "c": 0.21173,
    "h": 274.1
  },
  "luminance": 0.12668
}

Semantic roles & 50–950 ramp

primary

#4A51DF

secondary

#E0DDA5

accent

#E43BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4A51DF

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

Preview Lab → · Contrast checker → · Palette generator →