#3942BF#3942BF

#3942BF is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.192 H 272.8°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3942BF
RGB	rgb(57, 66, 191)
HSL	hsl(236, 54%, 49%)
HSV	hsv(236, 70%, 75%)
CMYK	cmyk(70.2%, 65.4%, 0%, 25.1%)
CIE-LAB	lab(35.06, 37.78, -66.52)
CIE-LCH	lch(35.06, 76.50, 299.60°)
OKLab	oklab(45.55% 0.0093 -0.1921)
OKLCH	oklch(45.55% 0.192 272.8)
XYZ	xyz(13.0364, 8.5266, 50.2389)
Luminance	0.0853 (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

#3942BF #BFB639

analogous

#3985BF #3942BF #7339BF

triadic

#3942BF #BF3942 #42BF39

tetradic

#3942BF #BF3985 #BFB639 #39BF73

square

#3942BF #BF3985 #BFB639 #39BF73

split-complementary

#3942BF #BF7339 #85BF39

monochromatic

#1D2161 #2B3290 #3942BF #646CD1 #9399DF

Accessibility & contrast

On white

7.76

#3942BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3942BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942BF

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942BF	#FFFFFF	#000000	##FFFFFF
##3942BF	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004CBD

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3942bf;
/* rgb */ color: rgb(57, 66, 191);
/* oklch */ color: oklch(45.6% 0.192 272.8);

Tailwind

colors: {
  custom: {
    50: '#8176d3',
    500: '#3942bf',
    950: '#000000',
  },
}

SCSS

$custom: #3942bf;
$custom-light: #8176d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3942bf",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 191
  },
  "hsl": {
    "h": 235.97,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4555,
    "c": 0.19238,
    "h": 272.8
  },
  "luminance": 0.08528
}

Semantic roles & 50–950 ramp

primary

#3942BF

secondary

#CAC68A

accent

#D44ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3942BF

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

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