#4E51BA#4E51BA

#4E51BA is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.2% C 0.162 H 277.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4E51BA
RGB	rgb(78, 81, 186)
HSL	hsl(238, 44%, 52%)
HSV	hsv(238, 58%, 73%)
CMYK	cmyk(58.1%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(39.66, 29.94, -56.02)
CIE-LCH	lch(39.66, 63.52, 298.12°)
OKLab	oklab(49.18% 0.0209 -0.1607)
OKLCH	oklch(49.18% 0.162 277.4)
XYZ	xyz(14.9444, 11.0487, 47.7900)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51BA #BAB74E

analogous

#4E87BA #4E51BA #814EBA

triadic

#4E51BA #BA4E51 #51BA4E

tetradic

#4E51BA #BA4E87 #BAB74E #4EBA81

square

#4E51BA #BA4E87 #BAB74E #4EBA81

split-complementary

#4E51BA #BA814E #87BA4E

monochromatic

#282966 #393B92 #4E51BA #7A7CCB #A6A8DC

Accessibility & contrast

On white

6.54

#4E51BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4E51BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51BA

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51BA	#FFFFFF	#000000	##FFFFFF
##4E51BA	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BE

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#056A7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4e51ba;
/* rgb */ color: rgb(78, 81, 186);
/* oklch */ color: oklch(49.2% 0.162 277.4);

Tailwind

colors: {
  custom: {
    50: '#8982cf',
    500: '#4e51ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e51ba;
$custom-light: #8982cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51ba",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 238.333,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49179,
    "c": 0.16202,
    "h": 277.4
  },
  "luminance": 0.1105
}

Semantic roles & 50–950 ramp

primary

#4E51BA

secondary

#CAC89A

accent

#D054D4

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4E51BA

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

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