#3E55AB#3E55AB

#3E55AB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.140 H 269.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3E55AB
RGB	rgb(62, 85, 171)
HSL	hsl(227, 47%, 46%)
HSV	hsv(227, 64%, 67%)
CMYK	cmyk(63.7%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(38.66, 19.25, -48.86)
CIE-LCH	lch(38.66, 52.51, 291.50°)
OKLab	oklab(47.83% -0.0018 -0.1399)
OKLCH	oklch(47.83% 0.14 269.3)
XYZ	xyz(12.5833, 10.4603, 39.8761)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E55AB #AB943E

analogous

#3E8BAB #3E55AB #5D3EAB

triadic

#3E55AB #AB3E55 #55AB3E

tetradic

#3E55AB #AB3E8B #AB943E #3EAB5D

square

#3E55AB #AB3E8B #AB943E #3EAB5D

split-complementary

#3E55AB #AB5D3E #8BAB3E

monochromatic

#1D2851 #2E3F7E #3E55AB #6176C6 #8E9DD6

Accessibility & contrast

On white

6.79

#3E55AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3E55AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E55AB

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E55AB	#FFFFFF	#000000	##FFFFFF
##3E55AB	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AE

Deuteranopia (green-blind)

#0A56A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3e55ab;
/* rgb */ color: rgb(62, 85, 171);
/* oklch */ color: oklch(47.8% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#7e84c5',
    500: '#3e55ab',
    950: '#000000',
  },
}

SCSS

$custom: #3e55ab;
$custom-light: #7e84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e55ab",
  "rgb": {
    "r": 62,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 227.339,
    "s": 46.781,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47827,
    "c": 0.13995,
    "h": 269.3
  },
  "luminance": 0.10461
}

Semantic roles & 50–950 ramp

primary

#3E55AB

secondary

#C1B484

accent

#BA51D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3E55AB

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

Preview Lab → · Contrast checker → · Palette generator →