#3954C0#3954C0

#3954C0 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.172 H 268.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3954C0
RGB	rgb(57, 84, 192)
HSL	hsl(228, 54%, 49%)
HSV	hsv(228, 70%, 75%)
CMYK	cmyk(70.3%, 56.3%, 0%, 24.7%)
CIE-LAB	lab(39.61, 26.68, -59.68)
CIE-LCH	lch(39.61, 65.37, 294.09°)
OKLab	oklab(48.94% -0.0042 -0.1719)
OKLCH	oklch(48.94% 0.172 268.6)
XYZ	xyz(14.3688, 11.0148, 51.2278)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954C0 #C0A539

analogous

#3998C0 #3954C0 #6239C0

triadic

#3954C0 #C03954 #54C039

tetradic

#3954C0 #C03998 #C0A539 #39C062

square

#3954C0 #C03998 #C0A539 #39C062

split-complementary

#3954C0 #C06239 #98C039

monochromatic

#1D2B62 #2B3F91 #3954C0 #657BD1 #94A3DF

Accessibility & contrast

On white

6.56

#3954C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3954C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954C0

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954C0	#FFFFFF	#000000	##FFFFFF
##3954C0	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0057BE

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3954c0;
/* rgb */ color: rgb(57, 84, 192);
/* oklch */ color: oklch(48.9% 0.172 268.6);

Tailwind

colors: {
  custom: {
    50: '#8083d4',
    500: '#3954c0',
    950: '#000000',
  },
}

SCSS

$custom: #3954c0;
$custom-light: #8083d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3954c0",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 192
  },
  "hsl": {
    "h": 228,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48942,
    "c": 0.17196,
    "h": 268.6
  },
  "luminance": 0.11016
}

Semantic roles & 50–950 ramp

primary

#3954C0

secondary

#CBBE8A

accent

#C04ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3954C0

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

Preview Lab → · Contrast checker → · Palette generator →