#3953B5#3953B5

#3953B5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.158 H 268.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3953B5
RGB	rgb(57, 83, 181)
HSL	hsl(227, 52%, 47%)
HSV	hsv(227, 69%, 71%)
CMYK	cmyk(68.5%, 54.1%, 0%, 29%)
CIE-LAB	lab(38.54, 23.33, -54.97)
CIE-LCH	lch(38.54, 59.72, 292.99°)
OKLab	oklab(47.88% -0.0039 -0.1581)
OKLCH	oklch(47.88% 0.158 268.6)
XYZ	xyz(13.1182, 10.3913, 45.0215)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953B5 #B59B39

analogous

#3991B5 #3953B5 #5D39B5

triadic

#3953B5 #B53953 #53B539

tetradic

#3953B5 #B53991 #B59B39 #39B55D

square

#3953B5 #B53991 #B59B39 #39B55D

split-complementary

#3953B5 #B55D39 #91B539

monochromatic

#1C2858 #2A3E86 #3953B5 #5F76CD #8D9EDB

Accessibility & contrast

On white

6.82

#3953B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3953B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953B5

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953B5	#FFFFFF	#000000	##FFFFFF
##3953B5	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0961B8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3953b5;
/* rgb */ color: rgb(57, 83, 181);
/* oklch */ color: oklch(47.9% 0.158 268.6);

Tailwind

colors: {
  custom: {
    50: '#7e83cc',
    500: '#3953b5',
    950: '#000000',
  },
}

SCSS

$custom: #3953b5;
$custom-light: #7e83cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3953b5",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 181
  },
  "hsl": {
    "h": 227.419,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47883,
    "c": 0.15812,
    "h": 268.6
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary

#3953B5

secondary

#C6B884

accent

#BD4CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3953B5

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

Preview Lab → · Contrast checker → · Palette generator →