#3951C3#3951C3

#3951C3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.180 H 269.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3951C3
RGB	rgb(57, 81, 195)
HSL	hsl(230, 55%, 49%)
HSV	hsv(230, 71%, 76%)
CMYK	cmyk(70.8%, 58.5%, 0%, 23.5%)
CIE-LAB	lab(39.06, 29.70, -62.32)
CIE-LCH	lch(39.06, 69.03, 295.48°)
OKLab	oklab(48.61% -0.0017 -0.1797)
OKLCH	oklch(48.61% 0.18 269.5)
XYZ	xyz(14.4767, 10.6934, 52.9203)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3951C3 #C3AB39

analogous

#3996C3 #3951C3 #6639C3

triadic

#3951C3 #C33951 #51C339

tetradic

#3951C3 #C33996 #C3AB39 #39C366

square

#3951C3 #C33996 #C3AB39 #39C366

split-complementary

#3951C3 #C36639 #96C339

monochromatic

#1D2A64 #2B3D94 #3951C3 #6779D2 #96A3E0

Accessibility & contrast

On white

6.69

#3951C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3951C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3951C3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3951C3	#FFFFFF	#000000	##FFFFFF
##3951C3	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C7

Deuteranopia (green-blind)

#0056C1

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3951c3;
/* rgb */ color: rgb(57, 81, 195);
/* oklch */ color: oklch(48.6% 0.180 269.5);

Tailwind

colors: {
  custom: {
    50: '#8181d6',
    500: '#3951c3',
    950: '#000000',
  },
}

SCSS

$custom: #3951c3;
$custom-light: #8181d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3951c3",
  "rgb": {
    "r": 57,
    "g": 81,
    "b": 195
  },
  "hsl": {
    "h": 229.565,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48605,
    "c": 0.17971,
    "h": 269.5
  },
  "luminance": 0.10695
}

Semantic roles & 50–950 ramp

primary

#3951C3

secondary

#CCC18C

accent

#C44ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3951C3

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

Preview Lab → · Contrast checker → · Palette generator →