#4E51AC#4E51AC

#4E51AC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.142 H 278.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E51AC
RGB	rgb(78, 81, 172)
HSL	hsl(238, 38%, 49%)
HSV	hsv(238, 55%, 67%)
CMYK	cmyk(54.7%, 52.9%, 0%, 32.5%)
CIE-LAB	lab(38.69, 25.31, -49.33)
CIE-LCH	lch(38.69, 55.45, 297.16°)
OKLab	oklab(48.15% 0.0203 -0.141)
OKLCH	oklch(48.15% 0.142 278.2)
XYZ	xyz(13.5284, 10.4822, 40.3321)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51AC #ACA94E

analogous

#4E80AC #4E51AC #7A4EAC

triadic

#4E51AC #AC4E51 #51AC4E

tetradic

#4E51AC #AC4E80 #ACA94E #4EAC7A

square

#4E51AC #AC4E80 #ACA94E #4EAC7A

split-complementary

#4E51AC #AC7A4E #80AC4E

monochromatic

#282958 #3B3D82 #4E51AC #7679C1 #A0A2D4

Accessibility & contrast

On white

6.78

#4E51AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4E51AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51AC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51AC	#FFFFFF	#000000	##FFFFFF
##4E51AC	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5FAF

Deuteranopia (green-blind)

#0F57AA

Tritanopia (blue-blind)

#216676

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4e51ac;
/* rgb */ color: rgb(78, 81, 172);
/* oklch */ color: oklch(48.1% 0.142 278.2);

Tailwind

colors: {
  custom: {
    50: '#8781c5',
    500: '#4e51ac',
    950: '#000000',
  },
}

SCSS

$custom: #4e51ac;
$custom-light: #8781c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51ac",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 172
  },
  "hsl": {
    "h": 238.085,
    "s": 37.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48148,
    "c": 0.14245,
    "h": 278.2
  },
  "luminance": 0.10483
}

Semantic roles & 50–950 ramp

primary

#4E51AC

secondary

#C1C095

accent

#CA5ACE

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4E51AC

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

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