#3954C6#3954C6

#3954C6 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.180 H 268.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3954C6
RGB	rgb(57, 84, 198)
HSL	hsl(229, 55%, 50%)
HSV	hsv(229, 71%, 78%)
CMYK	cmyk(71.2%, 57.6%, 0%, 22.4%)
CIE-LAB	lab(40.06, 28.85, -62.44)
CIE-LCH	lch(40.06, 68.78, 294.80°)
OKLab	oklab(49.42% -0.004 -0.18)
OKLCH	oklch(49.42% 0.18 268.7)
XYZ	xyz(15.0472, 11.2862, 54.8006)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954C6 #C6AB39

analogous

#399AC6 #3954C6 #6539C6

triadic

#3954C6 #C63954 #54C639

tetradic

#3954C6 #C6399A #C6AB39 #39C665

square

#3954C6 #C6399A #C6AB39 #39C665

split-complementary

#3954C6 #C66539 #9AC639

monochromatic

#1E2C67 #2B4096 #3954C6 #697DD4 #98A6E1

Accessibility & contrast

On white

6.45

#3954C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3954C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954C6

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954C6	#FFFFFF	#000000	##FFFFFF
##3954C6	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CA

Deuteranopia (green-blind)

#0058C4

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3954c6;
/* rgb */ color: rgb(57, 84, 198);
/* oklch */ color: oklch(49.4% 0.180 268.7);

Tailwind

colors: {
  custom: {
    50: '#8283d8',
    500: '#3954c6',
    950: '#000000',
  },
}

SCSS

$custom: #3954c6;
$custom-light: #8283d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3954c6",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 198
  },
  "hsl": {
    "h": 228.511,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.49423,
    "c": 0.18005,
    "h": 268.7
  },
  "luminance": 0.11288
}

Semantic roles & 50–950 ramp

primary

#3954C6

secondary

#CDC18E

accent

#C249DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3954C6

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

Preview Lab → · Contrast checker → · Palette generator →