#3931BA#3931BA

#3931BA is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.205 H 275.8°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3931BA
RGB	rgb(57, 49, 186)
HSL	hsl(244, 58%, 46%)
HSV	hsv(244, 74%, 73%)
CMYK	cmyk(69.4%, 73.7%, 0%, 27.1%)
CIE-LAB	lab(30.90, 46.17, -70.40)
CIE-LCH	lch(30.90, 84.19, 303.26°)
OKLab	oklab(42.42% 0.0206 -0.2035)
OKLCH	oklch(42.42% 0.205 275.8)
XYZ	xyz(11.6457, 6.6106, 47.1071)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3931BA #B2BA31

analogous

#316DBA #3931BA #7D31BA

triadic

#3931BA #BA3931 #31BA39

tetradic

#3931BA #BA316D #B2BA31 #31BA7D

square

#3931BA #BA316D #B2BA31 #31BA7D

split-complementary

#3931BA #BA7D31 #6DBA31

monochromatic

#1B1759 #2A248A #3931BA #5D56D2 #8B86DF

Accessibility & contrast

On white

9.04

#3931BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3931BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931BA

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931BA	#FFFFFF	#000000	##FFFFFF
##3931BA	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0043B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3931ba;
/* rgb */ color: rgb(57, 49, 186);
/* oklch */ color: oklch(42.4% 0.205 275.8);

Tailwind

colors: {
  custom: {
    50: '#826bd0',
    500: '#3931ba',
    950: '#000000',
  },
}

SCSS

$custom: #3931ba;
$custom-light: #826bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3931ba",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 186
  },
  "hsl": {
    "h": 243.504,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42418,
    "c": 0.20452,
    "h": 275.8
  },
  "luminance": 0.06612
}

Semantic roles & 50–950 ramp

primary

#3931BA

secondary

#C4C97E

accent

#E246D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3931BA

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

Preview Lab → · Contrast checker → · Palette generator →