#3955C0#3955C0

#3955C0 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.171 H 268.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3955C0
RGB	rgb(57, 85, 192)
HSL	hsl(228, 54%, 49%)
HSV	hsv(228, 70%, 75%)
CMYK	cmyk(70.3%, 55.7%, 0%, 24.7%)
CIE-LAB	lab(39.87, 26.03, -59.26)
CIE-LCH	lch(39.87, 64.72, 293.72°)
OKLab	oklab(49.14% -0.005 -0.1706)
OKLCH	oklch(49.14% 0.171 268.3)
XYZ	xyz(14.4470, 11.1712, 51.2538)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955C0 #C0A439

analogous

#3999C0 #3955C0 #6139C0

triadic

#3955C0 #C03955 #55C039

tetradic

#3955C0 #C03999 #C0A439 #39C061

square

#3955C0 #C03999 #C0A439 #39C061

split-complementary

#3955C0 #C06139 #99C039

monochromatic

#1D2B62 #2B4091 #3955C0 #657BD1 #94A4DF

Accessibility & contrast

On white

6.49

#3955C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3955C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955C0

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955C0	#FFFFFF	#000000	##FFFFFF
##3955C0	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0058BE

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3955c0;
/* rgb */ color: rgb(57, 85, 192);
/* oklch */ color: oklch(49.1% 0.171 268.3);

Tailwind

colors: {
  custom: {
    50: '#8084d4',
    500: '#3955c0',
    950: '#000000',
  },
}

SCSS

$custom: #3955c0;
$custom-light: #8084d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3955c0",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 192
  },
  "hsl": {
    "h": 227.556,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49138,
    "c": 0.17072,
    "h": 268.3
  },
  "luminance": 0.11173
}

Semantic roles & 50–950 ramp

primary

#3955C0

secondary

#CBBD8A

accent

#BF4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3955C0

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

Preview Lab → · Contrast checker → · Palette generator →