#4E51BD#4E51BD

#4E51BD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.4% C 0.166 H 277.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4E51BD
RGB	rgb(78, 81, 189)
HSL	hsl(238, 46%, 52%)
HSV	hsv(238, 59%, 74%)
CMYK	cmyk(58.7%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(39.88, 30.94, -57.43)
CIE-LCH	lch(39.88, 65.23, 298.31°)
OKLab	oklab(49.41% 0.0209 -0.1648)
OKLCH	oklch(49.41% 0.166 277.2)
XYZ	xyz(15.2667, 11.1776, 49.4872)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51BD #BDBA4E

analogous

#4E89BD #4E51BD #824EBD

triadic

#4E51BD #BD4E51 #51BD4E

tetradic

#4E51BD #BD4E89 #BDBA4E #4EBD82

square

#4E51BD #BD4E89 #BDBA4E #4EBD82

split-complementary

#4E51BD #BD824E #89BD4E

monochromatic

#272969 #383A96 #4E51BD #7B7DCE #A7A9DE

Accessibility & contrast

On white

6.49

#4E51BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4E51BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51BD

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51BD	#FFFFFF	#000000	##FFFFFF
##4E51BD	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0059BB

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e51bd;
/* rgb */ color: rgb(78, 81, 189);
/* oklch */ color: oklch(49.4% 0.166 277.2);

Tailwind

colors: {
  custom: {
    50: '#8a82d2',
    500: '#4e51bd',
    950: '#000000',
  },
}

SCSS

$custom: #4e51bd;
$custom-light: #8a82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51bd",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 238.378,
    "s": 45.679,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49408,
    "c": 0.16613,
    "h": 277.2
  },
  "luminance": 0.11179
}

Semantic roles & 50–950 ramp

primary

#4E51BD

secondary

#CCCA9B

accent

#D252D5

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0D0A14

muted

#7D7C83

Preview Lab

Preview with #4E51BD

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

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