#4E55F3#4E55F3

#4E55F3 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.5% C 0.231 H 273.8°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4E55F3
RGB	rgb(78, 85, 243)
HSL	hsl(237, 87%, 63%)
HSV	hsv(237, 68%, 95%)
CMYK	cmyk(67.9%, 65%, 0%, 4.7%)
CIE-LAB	lab(45.06, 46.40, -79.88)
CIE-LCH	lch(45.06, 92.38, 300.15°)
OKLab	oklab(54.54% 0.0152 -0.2307)
OKLCH	oklch(54.54% 0.231 273.8)
XYZ	xyz(22.5627, 14.5856, 86.4029)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55F3 #F3EC4E

analogous

#4EA7F3 #4E55F3 #9A4EF3

triadic

#4E55F3 #F34E55 #55F34E

tetradic

#4E55F3 #F34EA7 #F3EC4E #4EF39A

square

#4E55F3 #F34EA7 #F3EC4E #4EF39A

split-complementary

#4E55F3 #F39A4E #A7F34E

monochromatic

#0D14BA #151EEF #4E55F3 #878CF7 #C1C3FB

Accessibility & contrast

On white

5.36

#4E55F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4E55F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55F3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55F3	#FFFFFF	#000000	##FFFFFF
##4E55F3	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F8

Deuteranopia (green-blind)

#0063F0

Tritanopia (blue-blind)

#007F9D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4e55f3;
/* rgb */ color: rgb(78, 85, 243);
/* oklch */ color: oklch(54.5% 0.231 273.8);

Tailwind

colors: {
  custom: {
    50: '#9385f8',
    500: '#4e55f3',
    950: '#000000',
  },
}

SCSS

$custom: #4e55f3;
$custom-light: #9385f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55f3",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 243
  },
  "hsl": {
    "h": 237.455,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.5454,
    "c": 0.23121,
    "h": 273.8
  },
  "luminance": 0.14588
}

Semantic roles & 50–950 ramp

primary

#4E55F3

secondary

#ECEAB1

accent

#DA02E4

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #4E55F3

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

Preview Lab → · Contrast checker → · Palette generator →