#3942D5#3942D5

#3942D5 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.6% C 0.220 H 271.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#3942D5
RGB	rgb(57, 66, 213)
HSL	hsl(237, 65%, 53%)
HSV	hsv(237, 73%, 84%)
CMYK	cmyk(73.2%, 69%, 0%, 16.5%)
CIE-LAB	lab(37.06, 45.31, -76.02)
CIE-LCH	lch(37.06, 88.50, 300.79°)
OKLab	oklab(47.61% 0.0071 -0.2199)
OKLCH	oklch(47.61% 0.22 271.9)
XYZ	xyz(15.6417, 9.5688, 63.9605)
Luminance	0.0957 (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

#3942D5 #D5CC39

analogous

#3990D5 #3942D5 #7E39D5

triadic

#3942D5 #D53942 #42D539

tetradic

#3942D5 #D53990 #D5CC39 #39D57E

square

#3942D5 #D53990 #D5CC39 #39D57E

split-complementary

#3942D5 #D57E39 #90D539

monochromatic

#1A1F7A #252CAC #3942D5 #6B72E0 #9EA2EA

Accessibility & contrast

On white

7.21

#3942D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3942D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3942D5

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3942D5	#FFFFFF	#000000	##FFFFFF
##3942D5	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD9

Deuteranopia (green-blind)

#0050D2

Tritanopia (blue-blind)

#006B86

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3942d5;
/* rgb */ color: rgb(57, 66, 213);
/* oklch */ color: oklch(47.6% 0.220 271.9);

Tailwind

colors: {
  custom: {
    50: '#8677e3',
    500: '#3942d5',
    950: '#000000',
  },
}

SCSS

$custom: #3942d5;
$custom-light: #8677e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3942d5",
  "rgb": {
    "r": 57,
    "g": 66,
    "b": 213
  },
  "hsl": {
    "h": 236.538,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.4761,
    "c": 0.22005,
    "h": 271.9
  },
  "luminance": 0.0957
}

Semantic roles & 50–950 ramp

primary

#3942D5

secondary

#D7D393

accent

#DE40E8

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3942D5

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

Preview Lab → · Contrast checker → · Palette generator →