#3E55B4#3E55B4

#3E55B4 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.153 H 269.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3E55B4
RGB	rgb(62, 85, 180)
HSL	hsl(228, 49%, 47%)
HSV	hsv(228, 66%, 71%)
CMYK	cmyk(65.6%, 52.8%, 0%, 29.4%)
CIE-LAB	lab(39.27, 22.46, -53.19)
CIE-LCH	lch(39.27, 57.74, 292.90°)
OKLab	oklab(48.49% -0.0009 -0.1527)
OKLCH	oklch(48.49% 0.153 269.7)
XYZ	xyz(13.4705, 10.8152, 44.5488)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E55B4 #B49D3E

analogous

#3E90B4 #3E55B4 #623EB4

triadic

#3E55B4 #B43E55 #55B43E

tetradic

#3E55B4 #B43E90 #B49D3E #3EB462

square

#3E55B4 #B43E90 #B49D3E #3EB462

split-complementary

#3E55B4 #B4623E #90B43E

monochromatic

#1F2A59 #2E4086 #3E55B4 #6579CA #93A1DA

Accessibility & contrast

On white

6.64

#3E55B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3E55B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E55B4

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E55B4	#FFFFFF	#000000	##FFFFFF
##3E55B4	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1962B7

Deuteranopia (green-blind)

#0057B2

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3e55b4;
/* rgb */ color: rgb(62, 85, 180);
/* oklch */ color: oklch(48.5% 0.153 269.7);

Tailwind

colors: {
  custom: {
    50: '#8084cb',
    500: '#3e55b4',
    950: '#000000',
  },
}

SCSS

$custom: #3e55b4;
$custom-light: #8084cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e55b4",
  "rgb": {
    "r": 62,
    "g": 85,
    "b": 180
  },
  "hsl": {
    "h": 228.305,
    "s": 48.76,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48485,
    "c": 0.15268,
    "h": 269.7
  },
  "luminance": 0.10816
}

Semantic roles & 50–950 ramp

primary

#3E55B4

secondary

#C5B989

accent

#BE4FD8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3E55B4

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

Preview Lab → · Contrast checker → · Palette generator →