#3939BF#3939BF

#3939BF is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.1% C 0.202 H 274.3°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3939BF
RGB	rgb(57, 57, 191)
HSL	hsl(240, 54%, 49%)
HSV	hsv(240, 70%, 75%)
CMYK	cmyk(70.2%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(33.04, 43.23, -69.83)
CIE-LCH	lch(33.04, 82.12, 301.76°)
OKLab	oklab(44.09% 0.0151 -0.2018)
OKLCH	oklch(44.09% 0.202 274.3)
XYZ	xyz(12.5513, 7.5565, 50.0772)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3939BF #BFBF39

analogous

#397CBF #3939BF #7C39BF

triadic

#3939BF #BF3939 #39BF39

tetradic

#3939BF #BF397C #BFBF39 #39BF7C

square

#3939BF #BF397C #BFBF39 #39BF7C

split-complementary

#3939BF #BF7C39 #7CBF39

monochromatic

#1D1D61 #2B2B90 #3939BF #6464D1 #9393DF

Accessibility & contrast

On white

8.36

#3939BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3939BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939BF

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939BF	#FFFFFF	#000000	##FFFFFF
##3939BF	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3939bf;
/* rgb */ color: rgb(57, 57, 191);
/* oklch */ color: oklch(44.1% 0.202 274.3);

Tailwind

colors: {
  custom: {
    50: '#8270d3',
    500: '#3939bf',
    950: '#000000',
  },
}

SCSS

$custom: #3939bf;
$custom-light: #8270d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3939bf",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 240,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44091,
    "c": 0.2024,
    "h": 274.3
  },
  "luminance": 0.07558
}

Semantic roles & 50–950 ramp

primary

#3939BF

secondary

#CACA8A

accent

#DD4ADD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3939BF

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

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