#4E51BF#4E51BF

#4E51BF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.169 H 277.1°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#4E51BF
RGB	rgb(78, 81, 191)
HSL	hsl(238, 47%, 53%)
HSV	hsv(238, 59%, 75%)
CMYK	cmyk(59.2%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(40.02, 31.60, -58.36)
CIE-LCH	lch(40.02, 66.37, 298.44°)
OKLab	oklab(49.56% 0.0209 -0.1675)
OKLCH	oklch(49.56% 0.169 277.1)
XYZ	xyz(15.4853, 11.2650, 50.6385)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51BF #BFBC4E

analogous

#4E89BF #4E51BF #834EBF

triadic

#4E51BF #BF4E51 #51BF4E

tetradic

#4E51BF #BF4E89 #BFBC4E #4EBF83

square

#4E51BF #BF4E89 #BFBC4E #4EBF83

split-complementary

#4E51BF #BF834E #89BF4E

monochromatic

#27296C #373A99 #4E51BF #7B7DCF #A8A9E0

Accessibility & contrast

On white

6.46

#4E51BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4E51BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51BF

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51BF	#FFFFFF	#000000	##FFFFFF
##4E51BF	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e51bf;
/* rgb */ color: rgb(78, 81, 191);
/* oklch */ color: oklch(49.6% 0.169 277.1);

Tailwind

colors: {
  custom: {
    50: '#8a82d3',
    500: '#4e51bf',
    950: '#000000',
  },
}

SCSS

$custom: #4e51bf;
$custom-light: #8a82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51bf",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 238.407,
    "s": 46.888,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49562,
    "c": 0.16885,
    "h": 277.1
  },
  "luminance": 0.11266
}

Semantic roles & 50–950 ramp

primary

#4E51BF

secondary

#CDCC9C

accent

#D351D7

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #4E51BF

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

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