#3E5FB5#3E5FB5

#3E5FB5 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.6% C 0.141 H 265.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3E5FB5
RGB	rgb(62, 95, 181)
HSL	hsl(223, 49%, 48%)
HSV	hsv(223, 66%, 71%)
CMYK	cmyk(65.7%, 47.5%, 0%, 29%)
CIE-LAB	lab(42.07, 16.36, -49.27)
CIE-LCH	lch(42.07, 51.91, 288.37°)
OKLab	oklab(50.63% -0.0104 -0.141)
OKLCH	oklch(50.63% 0.141 265.8)
XYZ	xyz(14.4164, 12.5434, 45.3685)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5FB5 #B5943E

analogous

#3E9BB5 #3E5FB5 #583EB5

triadic

#3E5FB5 #B53E5F #5FB53E

tetradic

#3E5FB5 #B53E9B #B5943E #3EB558

square

#3E5FB5 #B53E9B #B5943E #3EB558

split-complementary

#3E5FB5 #B5583E #9BB53E

monochromatic

#1F2F5A #2E4787 #3E5FB5 #6682CA #93A7DA

Accessibility & contrast

On white

5.98

#3E5FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3E5FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5FB5

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5FB5	#FFFFFF	#000000	##FFFFFF
##3E5FB5	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B8

Deuteranopia (green-blind)

#1B5EB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3e5fb5;
/* rgb */ color: rgb(62, 95, 181);
/* oklch */ color: oklch(50.6% 0.141 265.8);

Tailwind

colors: {
  custom: {
    50: '#808bcc',
    500: '#3e5fb5',
    950: '#000000',
  },
}

SCSS

$custom: #3e5fb5;
$custom-light: #808bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5fb5",
  "rgb": {
    "r": 62,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 223.361,
    "s": 48.971,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50633,
    "c": 0.14138,
    "h": 265.8
  },
  "luminance": 0.12545
}

Semantic roles & 50–950 ramp

primary

#3E5FB5

secondary

#C5B589

accent

#B24FD9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3E5FB5

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

Preview Lab → · Contrast checker → · Palette generator →