#4C51D6#4C51D6

#4C51D6 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.3% C 0.200 H 275.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4C51D6
RGB	rgb(76, 81, 214)
HSL	hsl(238, 63%, 57%)
HSV	hsv(238, 64%, 84%)
CMYK	cmyk(64.5%, 62.1%, 0%, 16.1%)
CIE-LAB	lab(41.65, 38.94, -69.03)
CIE-LCH	lch(41.65, 79.25, 299.43°)
OKLab	oklab(51.28% 0.018 -0.1989)
OKLCH	oklch(51.28% 0.2 275.2)
XYZ	xyz(18.0565, 12.2749, 65.0230)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C51D6 #D6D14C

analogous

#4C96D6 #4C51D6 #8C4CD6

triadic

#4C51D6 #D64C51 #51D64C

tetradic

#4C51D6 #D64C96 #D6D14C #4CD68C

square

#4C51D6 #D64C96 #D6D14C #4CD68C

split-complementary

#4C51D6 #D68C4C #96D64C

monochromatic

#1F2388 #2B30BA #4C51D6 #7E81E1 #B0B2ED

Accessibility & contrast

On white

6.08

#4C51D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4C51D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C51D6

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C51D6	#FFFFFF	#000000	##FFFFFF
##4C51D6	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DA

Deuteranopia (green-blind)

#005CD3

Tritanopia (blue-blind)

#00738C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4c51d6;
/* rgb */ color: rgb(76, 81, 214);
/* oklch */ color: oklch(51.3% 0.200 275.2);

Tailwind

colors: {
  custom: {
    50: '#8d82e4',
    500: '#4c51d6',
    950: '#000000',
  },
}

SCSS

$custom: #4c51d6;
$custom-light: #8d82e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c51d6",
  "rgb": {
    "r": 76,
    "g": 81,
    "b": 214
  },
  "hsl": {
    "h": 237.826,
    "s": 62.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51279,
    "c": 0.19976,
    "h": 275.2
  },
  "luminance": 0.12276
}

Semantic roles & 50–950 ramp

primary

#4C51D6

secondary

#DBD9A3

accent

#E042E6

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4C51D6

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

Preview Lab → · Contrast checker → · Palette generator →