#4E54CB#4E54CB

#4E54CB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.0% C 0.181 H 275.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E54CB
RGB	rgb(78, 84, 203)
HSL	hsl(237, 55%, 55%)
HSV	hsv(237, 62%, 80%)
CMYK	cmyk(61.6%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(41.64, 33.74, -62.70)
CIE-LCH	lch(41.64, 71.20, 298.28°)
OKLab	oklab(51.04% 0.0181 -0.1803)
OKLCH	oklch(51.04% 0.181 275.7)
XYZ	xyz(17.0882, 12.2708, 57.9563)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E54CB #CBC54E

analogous

#4E92CB #4E54CB #864ECB

triadic

#4E54CB #CB4E54 #54CB4E

tetradic

#4E54CB #CB4E92 #CBC54E #4ECB86

square

#4E54CB #CB4E92 #CBC54E #4ECB86

split-complementary

#4E54CB #CB864E #92CB4E

monochromatic

#24287B #3238AA #4E54CB #7D82D9 #ADAFE7

Accessibility & contrast

On white

6.08

#4E54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4E54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E54CB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E54CB	#FFFFFF	#000000	##FFFFFF
##4E54CB	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e54cb;
/* rgb */ color: rgb(78, 84, 203);
/* oklch */ color: oklch(51.0% 0.181 275.7);

Tailwind

colors: {
  custom: {
    50: '#8c84dc',
    500: '#4e54cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e54cb;
$custom-light: #8c84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e54cb",
  "rgb": {
    "r": 78,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 237.12,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51042,
    "c": 0.18119,
    "h": 275.7
  },
  "luminance": 0.12272
}

Semantic roles & 50–950 ramp

primary

#4E54CB

secondary

#D5D2A0

accent

#D74ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E54CB

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

Preview Lab → · Contrast checker → · Palette generator →