#3E41B8#3E41B8

#3E41B8 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.183 H 275.1°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3E41B8
RGB	rgb(62, 65, 184)
HSL	hsl(239, 50%, 48%)
HSV	hsv(239, 66%, 72%)
CMYK	cmyk(66.3%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(34.53, 36.65, -63.25)
CIE-LCH	lch(34.53, 73.10, 300.09°)
OKLab	oklab(45.06% 0.0163 -0.1825)
OKLCH	oklch(45.06% 0.183 275.1)
XYZ	xyz(12.5258, 8.2643, 46.2732)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E41B8 #B8B53E

analogous

#3E7EB8 #3E41B8 #783EB8

triadic

#3E41B8 #B83E41 #41B83E

tetradic

#3E41B8 #B83E7E #B8B53E #3EB878

square

#3E41B8 #B83E7E #B8B53E #3EB878

split-complementary

#3E41B8 #B8783E #7EB83E

monochromatic

#1F215C #2F318A #3E41B8 #676ACC #9597DB

Accessibility & contrast

On white

7.92

#3E41B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3E41B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E41B8

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E41B8	#FFFFFF	#000000	##FFFFFF
##3E41B8	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004CB6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3e41b8;
/* rgb */ color: rgb(62, 65, 184);
/* oklch */ color: oklch(45.1% 0.183 275.1);

Tailwind

colors: {
  custom: {
    50: '#8276ce',
    500: '#3e41b8',
    950: '#000000',
  },
}

SCSS

$custom: #3e41b8;
$custom-light: #8276ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3e41b8",
  "rgb": {
    "r": 62,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 238.525,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45059,
    "c": 0.18319,
    "h": 275.1
  },
  "luminance": 0.08265
}

Semantic roles & 50–950 ramp

primary

#3E41B8

secondary

#C7C58B

accent

#D64FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3E41B8

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

Preview Lab → · Contrast checker → · Palette generator →