#4E55B7#4E55B7

#4E55B7 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.7% C 0.153 H 276.3°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4E55B7
RGB	rgb(78, 85, 183)
HSL	hsl(236, 42%, 51%)
HSV	hsv(236, 57%, 72%)
CMYK	cmyk(57.4%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(40.47, 26.42, -52.96)
CIE-LCH	lch(40.47, 59.19, 296.51°)
OKLab	oklab(49.71% 0.0166 -0.1516)
OKLCH	oklch(49.71% 0.153 276.3)
XYZ	xyz(14.9349, 11.5345, 46.2299)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55B7 #B7B04E

analogous

#4E89B7 #4E55B7 #7B4EB7

triadic

#4E55B7 #B74E55 #55B74E

tetradic

#4E55B7 #B74E89 #B7B04E #4EB77B

square

#4E55B7 #B74E89 #B7B04E #4EB77B

split-complementary

#4E55B7 #B77B4E #89B74E

monochromatic

#282C63 #3A3F8E #4E55B7 #7A7FC9 #A5A9DA

Accessibility & contrast

On white

6.35

#4E55B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4E55B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55B7

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55B7	#FFFFFF	#000000	##FFFFFF
##4E55B7	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A64BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#0D6B7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e55b7;
/* rgb */ color: rgb(78, 85, 183);
/* oklch */ color: oklch(49.7% 0.153 276.3);

Tailwind

colors: {
  custom: {
    50: '#8984cd',
    500: '#4e55b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e55b7;
$custom-light: #8984cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55b7",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 236,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49714,
    "c": 0.15255,
    "h": 276.3
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#4E55B7

secondary

#C8C599

accent

#CA56D2

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E55B7

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

Preview Lab → · Contrast checker → · Palette generator →