#3E55C7#3E55C7

#3E55C7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.179 H 270.0°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3E55C7
RGB	rgb(62, 85, 199)
HSL	hsl(230, 55%, 51%)
HSV	hsv(230, 69%, 78%)
CMYK	cmyk(68.8%, 57.3%, 0%, 22%)
CIE-LAB	lab(40.64, 29.26, -62.05)
CIE-LCH	lch(40.64, 68.60, 295.24°)
OKLab	oklab(49.95% 0.0001 -0.1788)
OKLCH	oklch(49.95% 0.179 270)
XYZ	xyz(15.5404, 11.6431, 55.4501)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E55C7 #C7B03E

analogous

#3E99C7 #3E55C7 #6B3EC7

triadic

#3E55C7 #C73E55 #55C73E

tetradic

#3E55C7 #C73E99 #C7B03E #3EC76B

square

#3E55C7 #C73E99 #C7B03E #3EC76B

split-complementary

#3E55C7 #C76B3E #99C73E

monochromatic

#1F2C6B #2D3F9B #3E55C7 #6D7FD5 #9DA9E3

Accessibility & contrast

On white

6.31

#3E55C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3E55C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E55C7

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E55C7	#FFFFFF	#000000	##FFFFFF
##3E55C7	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CB

Deuteranopia (green-blind)

#005AC5

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3e55c7;
/* rgb */ color: rgb(62, 85, 199);
/* oklch */ color: oklch(50.0% 0.179 270.0);

Tailwind

colors: {
  custom: {
    50: '#8484d9',
    500: '#3e55c7',
    950: '#000000',
  },
}

SCSS

$custom: #3e55c7;
$custom-light: #8484d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e55c7",
  "rgb": {
    "r": 62,
    "g": 85,
    "b": 199
  },
  "hsl": {
    "h": 229.927,
    "s": 55.02,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49953,
    "c": 0.17876,
    "h": 270
  },
  "luminance": 0.11645
}

Semantic roles & 50–950 ramp

primary

#3E55C7

secondary

#CFC592

accent

#C549DE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E55C7

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

Preview Lab → · Contrast checker → · Palette generator →