#4A51D7#4A51D7

#4A51D7 is a mid, highly saturated blue. Relative luminance 0.122; OKLCH L 51.2% C 0.202 H 274.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4A51D7
RGB	rgb(74, 81, 215)
HSL	hsl(237, 64%, 57%)
HSV	hsv(237, 66%, 84%)
CMYK	cmyk(65.6%, 62.3%, 0%, 15.7%)
CIE-LAB	lab(41.60, 38.99, -69.68)
CIE-LCH	lch(41.60, 79.85, 299.23°)
OKLab	oklab(51.24% 0.0157 -0.2009)
OKLCH	oklch(51.24% 0.202 274.5)
XYZ	xyz(18.0282, 12.2454, 65.6903)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51D7 #D7D04A

analogous

#4A98D7 #4A51D7 #8A4AD7

triadic

#4A51D7 #D74A51 #51D74A

tetradic

#4A51D7 #D74A98 #D7D04A #4AD78A

square

#4A51D7 #D74A98 #D7D04A #4AD78A

split-complementary

#4A51D7 #D78A4A #98D74A

monochromatic

#1E2388 #2930BB #4A51D7 #7C81E2 #AEB1ED

Accessibility & contrast

On white

6.09

#4A51D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4A51D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51D7

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51D7	#FFFFFF	#000000	##FFFFFF
##4A51D7	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DB

Deuteranopia (green-blind)

#005CD4

Tritanopia (blue-blind)

#00738C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4a51d7;
/* rgb */ color: rgb(74, 81, 215);
/* oklch */ color: oklch(51.2% 0.202 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d82e4',
    500: '#4a51d7',
    950: '#000000',
  },
}

SCSS

$custom: #4a51d7;
$custom-light: #8d82e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51d7",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 215
  },
  "hsl": {
    "h": 237.021,
    "s": 63.801,
    "l": 56.667
  },
  "oklch": {
    "l": 0.51237,
    "c": 0.20153,
    "h": 274.5
  },
  "luminance": 0.12247
}

Semantic roles & 50–950 ramp

primary

#4A51D7

secondary

#DBD8A2

accent

#DF41E7

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4A51D7

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

Preview Lab → · Contrast checker → · Palette generator →