#3955C1#3955C1

#3955C1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.2% C 0.172 H 268.4°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3955C1
RGB	rgb(57, 85, 193)
HSL	hsl(228, 54%, 49%)
HSV	hsv(228, 70%, 76%)
CMYK	cmyk(70.5%, 56%, 0%, 24.3%)
CIE-LAB	lab(39.94, 26.40, -59.72)
CIE-LCH	lch(39.94, 65.29, 293.85°)
OKLab	oklab(49.22% -0.0049 -0.172)
OKLCH	oklch(49.22% 0.172 268.4)
XYZ	xyz(14.5582, 11.2156, 51.8393)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955C1 #C1A539

analogous

#3999C1 #3955C1 #6139C1

triadic

#3955C1 #C13955 #55C139

tetradic

#3955C1 #C13999 #C1A539 #39C161

square

#3955C1 #C13999 #C1A539 #39C161

split-complementary

#3955C1 #C16139 #99C139

monochromatic

#1D2B63 #2B4092 #3955C1 #667CD2 #95A4E0

Accessibility & contrast

On white

6.47

#3955C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3955C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955C1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955C1	#FFFFFF	#000000	##FFFFFF
##3955C1	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C5

Deuteranopia (green-blind)

#0058BF

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3955c1;
/* rgb */ color: rgb(57, 85, 193);
/* oklch */ color: oklch(49.2% 0.172 268.4);

Tailwind

colors: {
  custom: {
    50: '#8084d4',
    500: '#3955c1',
    950: '#000000',
  },
}

SCSS

$custom: #3955c1;
$custom-light: #8084d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3955c1",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 193
  },
  "hsl": {
    "h": 227.647,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49217,
    "c": 0.17208,
    "h": 268.4
  },
  "luminance": 0.11217
}

Semantic roles & 50–950 ramp

primary

#3955C1

secondary

#CBBE8B

accent

#BF4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3955C1

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

Preview Lab → · Contrast checker → · Palette generator →