#3954C1#3954C1

#3954C1 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.173 H 268.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3954C1
RGB	rgb(57, 84, 193)
HSL	hsl(228, 54%, 49%)
HSV	hsv(228, 70%, 76%)
CMYK	cmyk(70.5%, 56.5%, 0%, 24.3%)
CIE-LAB	lab(39.68, 27.04, -60.14)
CIE-LCH	lch(39.68, 65.94, 294.21°)
OKLab	oklab(49.02% -0.0041 -0.1733)
OKLCH	oklch(49.02% 0.173 268.6)
XYZ	xyz(14.4800, 11.0593, 51.8133)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954C1 #C1A639

analogous

#3998C1 #3954C1 #6239C1

triadic

#3954C1 #C13954 #54C139

tetradic

#3954C1 #C13998 #C1A639 #39C162

square

#3954C1 #C13998 #C1A639 #39C162

split-complementary

#3954C1 #C16239 #98C139

monochromatic

#1D2B63 #2B3F92 #3954C1 #667BD2 #95A4E0

Accessibility & contrast

On white

6.54

#3954C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3954C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954C1

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954C1	#FFFFFF	#000000	##FFFFFF
##3954C1	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C5

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3954c1;
/* rgb */ color: rgb(57, 84, 193);
/* oklch */ color: oklch(49.0% 0.173 268.6);

Tailwind

colors: {
  custom: {
    50: '#8183d5',
    500: '#3954c1',
    950: '#000000',
  },
}

SCSS

$custom: #3954c1;
$custom-light: #8183d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3954c1",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 193
  },
  "hsl": {
    "h": 228.088,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49022,
    "c": 0.17332,
    "h": 268.6
  },
  "luminance": 0.11061
}

Semantic roles & 50–950 ramp

primary

#3954C1

secondary

#CBBE8B

accent

#C04ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3954C1

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

Preview Lab → · Contrast checker → · Palette generator →