#3941B7#3941B7

#3941B7 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.183 H 273.3°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3941B7
RGB	rgb(57, 65, 183)
HSL	hsl(236, 53%, 47%)
HSV	hsv(236, 69%, 72%)
CMYK	cmyk(68.9%, 64.5%, 0%, 28.2%)
CIE-LAB	lab(34.12, 35.63, -63.33)
CIE-LCH	lch(34.12, 72.66, 299.36°)
OKLab	oklab(44.66% 0.0106 -0.1828)
OKLCH	oklch(44.66% 0.183 273.3)
XYZ	xyz(12.1220, 8.0682, 45.7091)
Luminance	0.0807 (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

#3941B7 #B7AF39

analogous

#3980B7 #3941B7 #7039B7

triadic

#3941B7 #B73941 #41B739

tetradic

#3941B7 #B73980 #B7AF39 #39B770

square

#3941B7 #B73980 #B7AF39 #39B770

split-complementary

#3941B7 #B77039 #80B739

monochromatic

#1C205A #2A3088 #3941B7 #6067CD #8E93DC

Accessibility & contrast

On white

8.03

#3941B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3941B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941B7

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941B7	#FFFFFF	#000000	##FFFFFF
##3941B7	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3941b7;
/* rgb */ color: rgb(57, 65, 183);
/* oklch */ color: oklch(44.7% 0.183 273.3);

Tailwind

colors: {
  custom: {
    50: '#8076ce',
    500: '#3941b7',
    950: '#000000',
  },
}

SCSS

$custom: #3941b7;
$custom-light: #8076ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3941b7",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 183
  },
  "hsl": {
    "h": 236.19,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44655,
    "c": 0.18314,
    "h": 273.3
  },
  "luminance": 0.08069
}

Semantic roles & 50–950 ramp

primary

#3941B7

secondary

#C7C285

accent

#D34CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3941B7

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

Preview Lab → · Contrast checker → · Palette generator →