#3952B5#3952B5

#3952B5 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.159 H 268.9°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3952B5
RGB	rgb(57, 82, 181)
HSL	hsl(228, 52%, 47%)
HSV	hsv(228, 69%, 71%)
CMYK	cmyk(68.5%, 54.7%, 0%, 29%)
CIE-LAB	lab(38.27, 23.98, -55.40)
CIE-LCH	lch(38.27, 60.37, 293.40°)
OKLab	oklab(47.68% -0.0031 -0.1594)
OKLCH	oklch(47.68% 0.159 268.9)
XYZ	xyz(13.0423, 10.2394, 44.9962)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3952B5 #B59C39

analogous

#3990B5 #3952B5 #5E39B5

triadic

#3952B5 #B53952 #52B539

tetradic

#3952B5 #B53990 #B59C39 #39B55E

square

#3952B5 #B53990 #B59C39 #39B55E

split-complementary

#3952B5 #B55E39 #90B539

monochromatic

#1C2858 #2A3D86 #3952B5 #5F75CD #8D9DDB

Accessibility & contrast

On white

6.89

#3952B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3952B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3952B5

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3952B5	#FFFFFF	#000000	##FFFFFF
##3952B5	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0160B8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3952b5;
/* rgb */ color: rgb(57, 82, 181);
/* oklch */ color: oklch(47.7% 0.159 268.9);

Tailwind

colors: {
  custom: {
    50: '#7e82cc',
    500: '#3952b5',
    950: '#000000',
  },
}

SCSS

$custom: #3952b5;
$custom-light: #7e82cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3952b5",
  "rgb": {
    "r": 57,
    "g": 82,
    "b": 181
  },
  "hsl": {
    "h": 227.903,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47682,
    "c": 0.15939,
    "h": 268.9
  },
  "luminance": 0.10241
}

Semantic roles & 50–950 ramp

primary

#3952B5

secondary

#C6B984

accent

#BF4CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3952B5

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

Preview Lab → · Contrast checker → · Palette generator →