#4A51DD#4A51DD

#4A51DD is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.7% C 0.209 H 274.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4A51DD
RGB	rgb(74, 81, 221)
HSL	hsl(237, 68%, 58%)
HSV	hsv(237, 67%, 87%)
CMYK	cmyk(66.5%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(42.09, 41.00, -72.31)
CIE-LCH	lch(42.09, 83.12, 299.55°)
OKLab	oklab(51.75% 0.0153 -0.2086)
OKLCH	oklch(51.75% 0.209 274.2)
XYZ	xyz(18.8133, 12.5595, 69.8254)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51DD #DDD64A

analogous

#4A9ADD #4A51DD #8C4ADD

triadic

#4A51DD #DD4A51 #51DD4A

tetradic

#4A51DD #DD4A9A #DDD64A #4ADD8C

square

#4A51DD #DD4A9A #DDD64A #4ADD8C

split-complementary

#4A51DD #DD8C4A #9ADD4A

monochromatic

#1B2191 #252DC5 #4A51DD #7E83E7 #B1B4F0

Accessibility & contrast

On white

5.98

#4A51DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4A51DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51DD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51DD	#FFFFFF	#000000	##FFFFFF
##4A51DD	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#005DDA

Tritanopia (blue-blind)

#007590

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4a51dd;
/* rgb */ color: rgb(74, 81, 221);
/* oklch */ color: oklch(51.7% 0.209 274.2);

Tailwind

colors: {
  custom: {
    50: '#8e82e9',
    500: '#4a51dd',
    950: '#000000',
  },
}

SCSS

$custom: #4a51dd;
$custom-light: #8e82e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51dd",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 237.143,
    "s": 68.372,
    "l": 57.843
  },
  "oklch": {
    "l": 0.51746,
    "c": 0.2092,
    "h": 274.2
  },
  "luminance": 0.12561
}

Semantic roles & 50–950 ramp

primary

#4A51DD

secondary

#DFDCA4

accent

#E33DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4A51DD

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

Preview Lab → · Contrast checker → · Palette generator →