#3954D0#3954D0

#3954D0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.193 H 268.9°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3954D0
RGB	rgb(57, 84, 208)
HSL	hsl(229, 62%, 52%)
HSV	hsv(229, 73%, 82%)
CMYK	cmyk(72.6%, 59.6%, 0%, 18.4%)
CIE-LAB	lab(40.84, 32.46, -66.95)
CIE-LCH	lch(40.84, 74.40, 295.87°)
OKLab	oklab(50.25% -0.0038 -0.1933)
OKLCH	oklch(50.25% 0.193 268.9)
XYZ	xyz(16.2389, 11.7629, 61.0769)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954D0 #D0B539

analogous

#399FD0 #3954D0 #6A39D0

triadic

#3954D0 #D03954 #54D039

tetradic

#3954D0 #D0399F #D0B539 #39D06A

square

#3954D0 #D0399F #D0B539 #39D06A

split-complementary

#3954D0 #D06A39 #9FD039

monochromatic

#1B2B73 #273EA5 #3954D0 #6A7FDC #9CA9E7

Accessibility & contrast

On white

6.26

#3954D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3954D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954D0

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954D0	#FFFFFF	#000000	##FFFFFF
##3954D0	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D4

Deuteranopia (green-blind)

#0059CE

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3954d0;
/* rgb */ color: rgb(57, 84, 208);
/* oklch */ color: oklch(50.2% 0.193 268.9);

Tailwind

colors: {
  custom: {
    50: '#8483df',
    500: '#3954d0',
    950: '#000000',
  },
}

SCSS

$custom: #3954d0;
$custom-light: #8483df;
$custom-dark: #000000;

JSON

{
  "hex": "#3954d0",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 208
  },
  "hsl": {
    "h": 229.272,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50247,
    "c": 0.1933,
    "h": 268.9
  },
  "luminance": 0.11765
}

Semantic roles & 50–950 ramp

primary

#3954D0

secondary

#D3C891

accent

#C843E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3954D0

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

Preview Lab → · Contrast checker → · Palette generator →