#3954D3#3954D3

#3954D3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.5% C 0.197 H 268.9°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3954D3
RGB	rgb(57, 84, 211)
HSL	hsl(229, 64%, 53%)
HSV	hsv(229, 73%, 83%)
CMYK	cmyk(73%, 60.2%, 0%, 17.3%)
CIE-LAB	lab(41.08, 33.53, -68.29)
CIE-LCH	lch(41.08, 76.07, 296.16°)
OKLab	oklab(50.5% -0.0038 -0.1972)
OKLCH	oklch(50.5% 0.197 268.9)
XYZ	xyz(16.6115, 11.9119, 63.0392)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954D3 #D3B839

analogous

#39A1D3 #3954D3 #6B39D3

triadic

#3954D3 #D33954 #54D339

tetradic

#3954D3 #D339A1 #D3B839 #39D36B

square

#3954D3 #D339A1 #D3B839 #39D36B

split-complementary

#3954D3 #D36B39 #A1D339

monochromatic

#1A2B77 #263DA9 #3954D3 #6B7FDE #9DAAE9

Accessibility & contrast

On white

6.21

#3954D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3954D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954D3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954D3	#FFFFFF	#000000	##FFFFFF
##3954D3	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#005AD1

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3954d3;
/* rgb */ color: rgb(57, 84, 211);
/* oklch */ color: oklch(50.5% 0.197 268.9);

Tailwind

colors: {
  custom: {
    50: '#8483e1',
    500: '#3954d3',
    950: '#000000',
  },
}

SCSS

$custom: #3954d3;
$custom-light: #8483e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3954d3",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 211
  },
  "hsl": {
    "h": 229.481,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50499,
    "c": 0.19723,
    "h": 268.9
  },
  "luminance": 0.11914
}

Semantic roles & 50–950 ramp

primary

#3954D3

secondary

#D5CA92

accent

#CA41E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3954D3

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

Preview Lab → · Contrast checker → · Palette generator →